1132565121 has 12 divisors (see below), whose sum is σ = 1663655760. Its totient is φ = 742245720.

The previous prime is 1132565107. The next prime is 1132565179. The reversal of 1132565121 is 1215652311.

1132565121 is a `hidden beast` number, since 1 + 1 + 3 + 2 + 5 + 651 + 2 + 1 = 666.

It is not a de Polignac number, because 1132565121 - 2¹⁵ = 1132532353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1132565821) 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, 1065915 + ... + 1066976.

It is an arithmetic number, because the mean of its divisors is an integer number (138637980).

Almost surely, 2^1132565121 is an apocalyptic number.

It is an amenable number.

1132565121 is a deficient number, since it is larger than the sum of its proper divisors (531090639).

1132565121 is a wasteful number, since it uses less digits than its factorization.

1132565121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132956 (or 2132953 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 1132565121 is about 33653.6048737724. The cubic root of 1132565121 is about 1042.3679773465.

The spelling of 1132565121 in words is "one billion, one hundred thirty-two million, five hundred sixty-five thousand, one hundred twenty-one".