1120657265 has 32 divisors (see below), whose sum is σ = 1676129280. Its totient is φ = 700337664.

The previous prime is 1120657253. The next prime is 1120657301. The reversal of 1120657265 is 5627560211.

It is not a de Polignac number, because 1120657265 - 2⁴ = 1120657249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20357 + ... + 51533.

It is an arithmetic number, because the mean of its divisors is an integer number (52379040).

Almost surely, 2^1120657265 is an apocalyptic number.

It is an amenable number.

1120657265 is a deficient number, since it is larger than the sum of its proper divisors (555472015).

1120657265 is a wasteful number, since it uses less digits than its factorization.

1120657265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31281.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 1120657265 is about 33476.2193952662. The cubic root of 1120657265 is about 1038.7019261590.

The spelling of 1120657265 in words is "one billion, one hundred twenty million, six hundred fifty-seven thousand, two hundred sixty-five".