115151121 has 12 divisors (see below), whose sum is σ = 166682880. Its totient is φ = 76604280.

The previous prime is 115151117. The next prime is 115151159. The reversal of 115151121 is 121151511.

115151121 is a `hidden beast` number, since 1 + 151 + 511 + 2 + 1 = 666.

It is not a de Polignac number, because 115151121 - 2² = 115151117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115151094 and 115151103.

It is not an unprimeable number, because it can be changed into a prime (115151321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9045 + ... + 17666.

It is an arithmetic number, because the mean of its divisors is an integer number (13890240).

Almost surely, 2^115151121 is an apocalyptic number.

It is an amenable number.

115151121 is a deficient number, since it is larger than the sum of its proper divisors (51531759).

115151121 is a wasteful number, since it uses less digits than its factorization.

115151121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27196 (or 27193 counting only the distinct ones).

The product of its digits is 50, while the sum is 18.

The square root of 115151121 is about 10730.8490344427. The cubic root of 115151121 is about 486.5073323292.

The spelling of 115151121 in words is "one hundred fifteen million, one hundred fifty-one thousand, one hundred twenty-one".