122404440 has 32 divisors (see below), whose sum is σ = 367213680. Its totient is φ = 32641152.

The previous prime is 122404433. The next prime is 122404463. The reversal of 122404440 is 44404221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509899 + ... + 510138.

Almost surely, 2^122404440 is an apocalyptic number.

122404440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122404440 is an abundant number, since it is smaller than the sum of its proper divisors (244809240).

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

122404440 is a wasteful number, since it uses less digits than its factorization.

122404440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020051 (or 1020047 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 122404440 is about 11063.6540076053. The cubic root of 122404440 is about 496.5150195903.

Adding to 122404440 its reverse (44404221), we get a palindrome (166808661).

The spelling of 122404440 in words is "one hundred twenty-two million, four hundred four thousand, four hundred forty".