152121087 has 12 divisors (see below), whose sum is σ = 231295480. Its totient is φ = 96076368.

The previous prime is 152121071. The next prime is 152121091. The reversal of 152121087 is 780121251.

It is not a de Polignac number, because 152121087 - 2⁴ = 152121071 is a prime.

It is a super-2 number, since 2×152121087² = 46281650220123138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 152121087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152121017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444628 + ... + 444969.

Almost surely, 2^152121087 is an apocalyptic number.

152121087 is a deficient number, since it is larger than the sum of its proper divisors (79174393).

152121087 is a wasteful number, since it uses less digits than its factorization.

152121087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889622 (or 889619 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 152121087 is about 12333.7377546306. The cubic root of 152121087 is about 533.8220064942.

The spelling of 152121087 in words is "one hundred fifty-two million, one hundred twenty-one thousand, eighty-seven".