1047265765 has 16 divisors (see below), whose sum is σ = 1546731648. Its totient is φ = 662884416.

The previous prime is 1047265729. The next prime is 1047265783. The reversal of 1047265765 is 5675627401.

1047265765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1047265765 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1150387 + ... + 1151296.

It is an arithmetic number, because the mean of its divisors is an integer number (96670728).

Almost surely, 2^1047265765 is an apocalyptic number.

It is an amenable number.

1047265765 is a deficient number, since it is larger than the sum of its proper divisors (499465883).

1047265765 is a wasteful number, since it uses less digits than its factorization.

1047265765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301708.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 1047265765 is about 32361.4858280642. The cubic root of 1047265765 is about 1015.5133465770.

The spelling of 1047265765 in words is "one billion, forty-seven million, two hundred sixty-five thousand, seven hundred sixty-five".