153121161 has 8 divisors (see below), whose sum is σ = 204819264. Its totient is φ = 101751920.

The previous prime is 153121153. The next prime is 153121169. The reversal of 153121161 is 161121351.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (153121153) and next prime (153121169).

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 153121161 - 2³ = 153121153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153121169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81126 + ... + 82991.

It is an arithmetic number, because the mean of its divisors is an integer number (25602408).

Almost surely, 2^153121161 is an apocalyptic number.

It is an amenable number.

153121161 is a deficient number, since it is larger than the sum of its proper divisors (51698103).

153121161 is a wasteful number, since it uses less digits than its factorization.

153121161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164431.

The product of its digits is 180, while the sum is 21.

The square root of 153121161 is about 12374.2135507676. The cubic root of 153121161 is about 534.9892692988.

The spelling of 153121161 in words is "one hundred fifty-three million, one hundred twenty-one thousand, one hundred sixty-one".