122497950 has 24 divisors (see below), whose sum is σ = 303795288. Its totient is φ = 32666080.

The previous prime is 122497939. The next prime is 122497967. The reversal of 122497950 is 59794221.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122497899 and 122497908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408177 + ... + 408476.

It is an arithmetic number, because the mean of its divisors is an integer number (12658137).

Almost surely, 2^122497950 is an apocalyptic number.

122497950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122497950 is an abundant number, since it is smaller than the sum of its proper divisors (181297338).

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

122497950 is a wasteful number, since it uses less digits than its factorization.

122497950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816668 (or 816663 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 122497950 is about 11067.8792006418. The cubic root of 122497950 is about 496.6414237780.

The spelling of 122497950 in words is "one hundred twenty-two million, four hundred ninety-seven thousand, nine hundred fifty".