122492736 has 70 divisors (see below), whose sum is σ = 363122210. Its totient is φ = 40829184.

The previous prime is 122492731. The next prime is 122492737. The reversal of 122492736 is 637294221.

It can be written as a sum of positive squares in only one way, i.e., 68558400 + 53934336 = 8280^2 + 7344^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 122492736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122492731) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6631 + ... + 16998.

Almost surely, 2^122492736 is an apocalyptic number.

122492736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122492736 is an abundant number, since it is smaller than the sum of its proper divisors (240629474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122492736 is an equidigital number, since it uses as much as digits as its factorization.

122492736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23653 (or 23634 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 122492736 is about 11067.6436516541. The cubic root of 122492736 is about 496.6343773332.

The spelling of 122492736 in words is "one hundred twenty-two million, four hundred ninety-two thousand, seven hundred thirty-six".