87245122 has 16 divisors (see below), whose sum is σ = 140637600. Its totient is φ = 40442688.

The previous prime is 87245099. The next prime is 87245143. The reversal of 87245122 is 22154278.

It is a happy number.

It is a super-2 number, since 2×87245122² = 15223422625589768, which contains 22 as substring.

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, 16872 + ... + 21427.

It is an arithmetic number, because the mean of its divisors is an integer number (8789850).

Almost surely, 2^87245122 is an apocalyptic number.

87245122 is a deficient number, since it is larger than the sum of its proper divisors (53392478).

87245122 is a wasteful number, since it uses less digits than its factorization.

87245122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38385.

The product of its digits is 8960, while the sum is 31.

The square root of 87245122 is about 9340.5097291315. The cubic root of 87245122 is about 443.5205203217.

The spelling of 87245122 in words is "eighty-seven million, two hundred forty-five thousand, one hundred twenty-two".