150156121 has 24 divisors (see below), whose sum is σ = 169616160. Its totient is φ = 132418176.

The previous prime is 150156103. The next prime is 150156131. The reversal of 150156121 is 121651051.

It is a happy number.

It is not a de Polignac number, because 150156121 - 2¹⁷ = 150025049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150156092 and 150156101.

It is not an unprimeable number, because it can be changed into a prime (150156131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 530446 + ... + 530728.

It is an arithmetic number, because the mean of its divisors is an integer number (7067340).

Almost surely, 2^150156121 is an apocalyptic number.

It is an amenable number.

150156121 is a deficient number, since it is larger than the sum of its proper divisors (19460039).

150156121 is a wasteful number, since it uses less digits than its factorization.

150156121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 150156121 is about 12253.8206694892. The cubic root of 150156121 is about 531.5135576957.

The spelling of 150156121 in words is "one hundred fifty million, one hundred fifty-six thousand, one hundred twenty-one".