120102765 has 16 divisors (see below), whose sum is σ = 193634496. Its totient is φ = 63564800.

The previous prime is 120102727. The next prime is 120102767. The reversal of 120102765 is 567201021.

It is not a de Polignac number, because 120102765 - 2¹⁸ = 119840621 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28596 + ... + 32525.

It is an arithmetic number, because the mean of its divisors is an integer number (12102156).

Almost surely, 2^120102765 is an apocalyptic number.

120102765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120102765 is a deficient number, since it is larger than the sum of its proper divisors (73531731).

120102765 is a wasteful number, since it uses less digits than its factorization.

120102765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61260.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 120102765 is about 10959.1407053655. The cubic root of 120102765 is about 493.3831748503.

Adding to 120102765 its reverse (567201021), we get a palindrome (687303786).

The spelling of 120102765 in words is "one hundred twenty million, one hundred two thousand, seven hundred sixty-five".