122904982 has 4 divisors (see below), whose sum is σ = 184357476. Its totient is φ = 61452490.

The previous prime is 122904979. The next prime is 122904983. The reversal of 122904982 is 289409221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122904983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30726244 + ... + 30726247.

It is an arithmetic number, because the mean of its divisors is an integer number (46089369).

Almost surely, 2^122904982 is an apocalyptic number.

122904982 is a deficient number, since it is larger than the sum of its proper divisors (61452494).

122904982 is an equidigital number, since it uses as much as digits as its factorization.

122904982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61452493.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 122904982 is about 11086.2519365203. The cubic root of 122904982 is about 497.1908900249.

The spelling of 122904982 in words is "one hundred twenty-two million, nine hundred four thousand, nine hundred eighty-two".