122497792 has 36 divisors (see below), whose sum is σ = 249744096. Its totient is φ = 59939840.

The previous prime is 122497783. The next prime is 122497799. The reversal of 122497792 is 297794221.

It is not an unprimeable number, because it can be changed into a prime (122497799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6942 + ... + 17122.

It is an arithmetic number, because the mean of its divisors is an integer number (6937336).

Almost surely, 2^122497792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122497792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124872048).

122497792 is an abundant number, since it is smaller than the sum of its proper divisors (127246304).

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

122497792 is an equidigital number, since it uses as much as digits as its factorization.

122497792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10244 (or 10230 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 122497792 is about 11067.8720628674. The cubic root of 122497792 is about 496.6412102523.

The spelling of 122497792 in words is "one hundred twenty-two million, four hundred ninety-seven thousand, seven hundred ninety-two".