150765121 has 16 divisors (see below), whose sum is σ = 172146688. Its totient is φ = 131025600.

The previous prime is 150765107. The next prime is 150765169. The reversal of 150765121 is 121567051.

It is a cyclic number.

It is not a de Polignac number, because 150765121 - 2⁵ = 150765089 is a prime.

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 150765121.

It is not an unprimeable number, because it can be changed into a prime (150765721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9856 + ... + 19966.

It is an arithmetic number, because the mean of its divisors is an integer number (10759168).

Almost surely, 2^150765121 is an apocalyptic number.

It is an amenable number.

150765121 is a deficient number, since it is larger than the sum of its proper divisors (21381567).

150765121 is a wasteful number, since it uses less digits than its factorization.

150765121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10192.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 150765121 is about 12278.6449170908. The cubic root of 150765121 is about 532.2311555542.

The spelling of 150765121 in words is "one hundred fifty million, seven hundred sixty-five thousand, one hundred twenty-one".