122123090 has 16 divisors (see below), whose sum is σ = 220102272. Its totient is φ = 48786864.

The previous prime is 122123069. The next prime is 122123093. The reversal of 122123090 is 90321221.

It is a super-2 number, since 2×122123090² = 29828098222296200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122123093) 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, 887 + ... + 15653.

It is an arithmetic number, because the mean of its divisors is an integer number (13756392).

Almost surely, 2^122123090 is an apocalyptic number.

122123090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122123090 is a deficient number, since it is larger than the sum of its proper divisors (97979182).

122123090 is a wasteful number, since it uses less digits than its factorization.

122123090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15601.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 122123090 is about 11050.9316349347. The cubic root of 122123090 is about 496.1343099030.

The spelling of 122123090 in words is "one hundred twenty-two million, one hundred twenty-three thousand, ninety".