122496492 has 48 divisors (see below), whose sum is σ = 310836960. Its totient is φ = 37389312.

The previous prime is 122496487. The next prime is 122496499. The reversal of 122496492 is 294694221.

It is a self number, because there is not a number n which added to its sum of digits gives 122496492.

It is not an unprimeable number, because it can be changed into a prime (122496499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567 + ... + 15662.

It is an arithmetic number, because the mean of its divisors is an integer number (6475770).

Almost surely, 2^122496492 is an apocalyptic number.

122496492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122496492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155418480).

122496492 is an abundant number, since it is smaller than the sum of its proper divisors (188340468).

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

122496492 is a wasteful number, since it uses less digits than its factorization.

122496492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16290 (or 16288 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 122496492 is about 11067.8133341686. The cubic root of 122496492 is about 496.6394533884.

The spelling of 122496492 in words is "one hundred twenty-two million, four hundred ninety-six thousand, four hundred ninety-two".