152904121 has 8 divisors (see below), whose sum is σ = 160001024. Its totient is φ = 145942560.

The previous prime is 152904097. The next prime is 152904131. The reversal of 152904121 is 121409251.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 152904121 - 2²³ = 144515513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152904131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31521 + ... + 36046.

It is an arithmetic number, because the mean of its divisors is an integer number (20000128).

Almost surely, 2^152904121 is an apocalyptic number.

It is an amenable number.

152904121 is a deficient number, since it is larger than the sum of its proper divisors (7096903).

152904121 is an equidigital number, since it uses as much as digits as its factorization.

152904121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67671.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 152904121 is about 12365.4405906138. The cubic root of 152904121 is about 534.7363781133.

The spelling of 152904121 in words is "one hundred fifty-two million, nine hundred four thousand, one hundred twenty-one".