152489121 has 4 divisors (see below), whose sum is σ = 203318832. Its totient is φ = 101659412.

The previous prime is 152489101. The next prime is 152489179. The reversal of 152489121 is 121984251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 152489121 - 2²³ = 144100513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (152489101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25414851 + ... + 25414856.

It is an arithmetic number, because the mean of its divisors is an integer number (50829708).

Almost surely, 2^152489121 is an apocalyptic number.

It is an amenable number.

152489121 is a deficient number, since it is larger than the sum of its proper divisors (50829711).

152489121 is an equidigital number, since it uses as much as digits as its factorization.

152489121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50829710.

The product of its digits is 5760, while the sum is 33.

The square root of 152489121 is about 12348.6485495377. The cubic root of 152489121 is about 534.2521603626.

The spelling of 152489121 in words is "one hundred fifty-two million, four hundred eighty-nine thousand, one hundred twenty-one".