1156150121 has 8 divisors (see below), whose sum is σ = 1333008384. Its totient is φ = 982215360.

The previous prime is 1156150117. The next prime is 1156150147. The reversal of 1156150121 is 1210516511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1156150121 - 2² = 1156150117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1156150111) 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, 730025 + ... + 731606.

It is an arithmetic number, because the mean of its divisors is an integer number (166626048).

Almost surely, 2^1156150121 is an apocalyptic number.

It is an amenable number.

1156150121 is a deficient number, since it is larger than the sum of its proper divisors (176858263).

1156150121 is a wasteful number, since it uses less digits than its factorization.

1156150121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461751.

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

The square root of 1156150121 is about 34002.2075900963. The cubic root of 1156150121 is about 1049.5538909136.

Adding to 1156150121 its reverse (1210516511), we get a palindrome (2366666632).

The spelling of 1156150121 in words is "one billion, one hundred fifty-six million, one hundred fifty thousand, one hundred twenty-one".