156151121 has 8 divisors (see below), whose sum is σ = 179356800. Its totient is φ = 133170048.

The previous prime is 156151087. The next prime is 156151129. The reversal of 156151121 is 121151651.

156151121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 156151121 - 2⁶ = 156151057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (156151129) 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, 54656 + ... + 57441.

It is an arithmetic number, because the mean of its divisors is an integer number (22419600).

Almost surely, 2^156151121 is an apocalyptic number.

It is an amenable number.

156151121 is a deficient number, since it is larger than the sum of its proper divisors (23205679).

156151121 is a wasteful number, since it uses less digits than its factorization.

156151121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112303.

The product of its digits is 300, while the sum is 23.

The square root of 156151121 is about 12496.0442140703. The cubic root of 156151121 is about 538.4950334146.

The spelling of 156151121 in words is "one hundred fifty-six million, one hundred fifty-one thousand, one hundred twenty-one".