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122065633 = 196424507
BaseRepresentation
bin1110100011010…
…01001011100001
322111200120120101
413101221023201
5222222100013
620040142401
73011353324
oct721511341
9274616511
10122065633
11629a2798
1234a67a01
131c39b1b1
14122d67bb
15aab28dd
hex74692e1

122065633 has 4 divisors (see below), whose sum is σ = 128490160. Its totient is φ = 115641108.

The previous prime is 122065621. The next prime is 122065637. The reversal of 122065633 is 336560221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 336560221 = 973469693.

It is a cyclic number.

It is not a de Polignac number, because 122065633 - 225 = 88511201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122065637) 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 in 3 ways as a sum of consecutive naturals, for example, 3212235 + ... + 3212272.

It is an arithmetic number, because the mean of its divisors is an integer number (32122540).

Almost surely, 2122065633 is an apocalyptic number.

It is an amenable number.

122065633 is a deficient number, since it is larger than the sum of its proper divisors (6424527).

122065633 is an equidigital number, since it uses as much as digits as its factorization.

122065633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6424526.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 122065633 is about 11048.3316840146. The cubic root of 122065633 is about 496.0564898915.

The spelling of 122065633 in words is "one hundred twenty-two million, sixty-five thousand, six hundred thirty-three".

Divisors: 1 19 6424507 122065633