152015121 has 12 divisors (see below), whose sum is σ = 219727248. Its totient is φ = 101274264.

The previous prime is 152015117. The next prime is 152015147. The reversal of 152015121 is 121510251.

152015121 is a `hidden beast` number, since 152 + 0 + 1 + 512 + 1 = 666.

It is not a de Polignac number, because 152015121 - 2² = 152015117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 152015094 and 152015103.

It is not an unprimeable number, because it can be changed into a prime (152015321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10606 + ... + 20408.

It is an arithmetic number, because the mean of its divisors is an integer number (18310604).

Almost surely, 2^152015121 is an apocalyptic number.

It is an amenable number.

152015121 is a deficient number, since it is larger than the sum of its proper divisors (67712127).

152015121 is a wasteful number, since it uses less digits than its factorization.

152015121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11532 (or 11529 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 152015121 is about 12329.4412282147. The cubic root of 152015121 is about 533.6980260441.

Adding to 152015121 its reverse (121510251), we get a palindrome (273525372).

It can be divided in two parts, 1520 and 15121, that added together give a square (16641 = 129²).

The spelling of 152015121 in words is "one hundred fifty-two million, fifteen thousand, one hundred twenty-one".