122624290 has 32 divisors (see below), whose sum is σ = 238633920. Its totient is φ = 45209664.

The previous prime is 122624263. The next prime is 122624311. The reversal of 122624290 is 92426221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1692 + ... + 15751.

It is an arithmetic number, because the mean of its divisors is an integer number (7457310).

Almost surely, 2^122624290 is an apocalyptic number.

122624290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122624290 is a deficient number, since it is larger than the sum of its proper divisors (116009630).

122624290 is a wasteful number, since it uses less digits than its factorization.

122624290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17506.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 122624290 is about 11073.5852369501. The cubic root of 122624290 is about 496.8121045081.

The spelling of 122624290 in words is "one hundred twenty-two million, six hundred twenty-four thousand, two hundred ninety".