1230115765 has 16 divisors (see below), whose sum is σ = 1607414400. Its totient is φ = 900148032.

The previous prime is 1230115753. The next prime is 1230115771. The reversal of 1230115765 is 5675110321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230115765 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, 220497 + ... + 226006.

It is an arithmetic number, because the mean of its divisors is an integer number (100463400).

Almost surely, 2^1230115765 is an apocalyptic number.

It is an amenable number.

1230115765 is a deficient number, since it is larger than the sum of its proper divisors (377298635).

1230115765 is a wasteful number, since it uses less digits than its factorization.

1230115765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446556.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1230115765 is about 35073.0062156069. The cubic root of 1230115765 is about 1071.4748825654.

The spelling of 1230115765 in words is "one billion, two hundred thirty million, one hundred fifteen thousand, seven hundred sixty-five".