122523290 has 16 divisors (see below), whose sum is σ = 220947912. Its totient is φ = 48919104.

The previous prime is 122523281. The next prime is 122523299. The reversal of 122523290 is 92325221.

It is an interprime number because it is at equal distance from previous prime (122523281) and next prime (122523299).

It can be written as a sum of positive squares in 4 ways, for example, as 80156209 + 42367081 = 8953^2 + 6509^2 .

It is not an unprimeable number, because it can be changed into a prime (122523299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5429 + ... + 16568.

Almost surely, 2^122523290 is an apocalyptic number.

122523290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122523290 is a deficient number, since it is larger than the sum of its proper divisors (98424622).

122523290 is a wasteful number, since it uses less digits than its factorization.

122523290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22561.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 122523290 is about 11069.0238955384. The cubic root of 122523290 is about 496.6756665987.

The spelling of 122523290 in words is "one hundred twenty-two million, five hundred twenty-three thousand, two hundred ninety".