Search a number
-
+
122670743 = 139436211
BaseRepresentation
bin1110100111111…
…00111010010111
322112211022121212
413103330322113
5222400430433
620101132035
73016453436
oct723747227
9275738555
10122670743
1163276388
12350ba01b
131c550750
141241311d
15ab81d48
hex74fce97

122670743 has 4 divisors (see below), whose sum is σ = 132106968. Its totient is φ = 113234520.

The previous prime is 122670731. The next prime is 122670749. The reversal of 122670743 is 347076221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122670743 - 212 = 122666647 is a prime.

It is a super-2 number, since 2×1226707432 = 30096222376344098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122670749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4718093 + ... + 4718118.

It is an arithmetic number, because the mean of its divisors is an integer number (33026742).

Almost surely, 2122670743 is an apocalyptic number.

122670743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122670743 is a deficient number, since it is larger than the sum of its proper divisors (9436225).

122670743 is an equidigital number, since it uses as much as digits as its factorization.

122670743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9436224.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 122670743 is about 11075.6825071866. The cubic root of 122670743 is about 496.8748313384.

The spelling of 122670743 in words is "one hundred twenty-two million, six hundred seventy thousand, seven hundred forty-three".

Divisors: 1 13 9436211 122670743