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122023456 = 253813233
BaseRepresentation
bin1110100010111…
…10111000100000
322111121102201021
413101132320200
5222214222311
620035215224
73011116342
oct721367040
9274542637
10122023456
1162974035
1234a47514
131c384c39
14122c5292
15aaa5171
hex745ee20

122023456 has 12 divisors (see below), whose sum is σ = 240233742. Its totient is φ = 61011712.

The previous prime is 122023423. The next prime is 122023457. The reversal of 122023456 is 654320221.

It can be written as a sum of positive squares in only one way, i.e., 85008400 + 37015056 = 9220^2 + 6084^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 122023456.

It is not an unprimeable number, because it can be changed into a prime (122023457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1906585 + ... + 1906648.

Almost surely, 2122023456 is an apocalyptic number.

122023456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122023456 is a deficient number, since it is larger than the sum of its proper divisors (118210286).

122023456 is an equidigital number, since it uses as much as digits as its factorization.

122023456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813243 (or 3813235 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 122023456 is about 11046.4227693856. The cubic root of 122023456 is about 495.9993496349. Note that the first 3 decimals are identical.

Adding to 122023456 its reverse (654320221), we get a palindrome (776343677).

The spelling of 122023456 in words is "one hundred twenty-two million, twenty-three thousand, four hundred fifty-six".

Divisors: 1 2 4 8 16 32 3813233 7626466 15252932 30505864 61011728 122023456