1125929665 has 8 divisors (see below), whose sum is σ = 1544132160. Its totient is φ = 772066032.

The previous prime is 1125929657. The next prime is 1125929671. The reversal of 1125929665 is 5669295211.

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

It is a cyclic number.

It is not a de Polignac number, because 1125929665 - 2³ = 1125929657 is a prime.

It is a super-2 number, since 2×1125929665² = 2535435221054024450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16084675 + ... + 16084744.

It is an arithmetic number, because the mean of its divisors is an integer number (193016520).

Almost surely, 2^1125929665 is an apocalyptic number.

It is an amenable number.

1125929665 is a deficient number, since it is larger than the sum of its proper divisors (418202495).

1125929665 is an equidigital number, since it uses as much as digits as its factorization.

1125929665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32169431.

The product of its digits is 291600, while the sum is 46.

The square root of 1125929665 is about 33554.8754281699. The cubic root of 1125929665 is about 1040.3283187407.

The spelling of 1125929665 in words is "one billion, one hundred twenty-five million, nine hundred twenty-nine thousand, six hundred sixty-five".