1165434725 has 48 divisors (see below), whose sum is σ = 1856047872. Its totient is φ = 705576960.

The previous prime is 1165434713. The next prime is 1165434733. The reversal of 1165434725 is 5274345611.

It is not a de Polignac number, because 1165434725 - 2⁴ = 1165434709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41189 + ... + 63461.

It is an arithmetic number, because the mean of its divisors is an integer number (38667664).

Almost surely, 2^1165434725 is an apocalyptic number.

It is an amenable number.

1165434725 is a deficient number, since it is larger than the sum of its proper divisors (690613147).

1165434725 is a wasteful number, since it uses less digits than its factorization.

1165434725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22326 (or 22321 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 1165434725 is about 34138.4640105556. The cubic root of 1165434725 is about 1052.3559268905.

The spelling of 1165434725 in words is "one billion, one hundred sixty-five million, four hundred thirty-four thousand, seven hundred twenty-five".