1500123090 has 32 divisors (see below), whose sum is σ = 3624149376. Its totient is φ = 397382400.

The previous prime is 1500123059. The next prime is 1500123101. The reversal of 1500123090 is 903210051.

It is a super-2 number, since 2×1500123090² = 4500738570302296200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161047 + ... + 170106.

It is an arithmetic number, because the mean of its divisors is an integer number (113254668).

Almost surely, 2^1500123090 is an apocalyptic number.

1500123090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1500123090 is an abundant number, since it is smaller than the sum of its proper divisors (2124026286).

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

1500123090 is a wasteful number, since it uses less digits than its factorization.

1500123090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331314.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1500123090 is about 38731.4225145424. The cubic root of 1500123090 is about 1144.7455534471.

The spelling of 1500123090 in words is "one billion, five hundred million, one hundred twenty-three thousand, ninety".