120002765 has 8 divisors (see below), whose sum is σ = 151582560. Its totient is φ = 90949392.

The previous prime is 120002737. The next prime is 120002789. The reversal of 120002765 is 567200021.

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 120002765 - 2²² = 115808461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120002765.

It is a congruent number.

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, 631499 + ... + 631688.

It is an arithmetic number, because the mean of its divisors is an integer number (18947820).

Almost surely, 2^120002765 is an apocalyptic number.

It is an amenable number.

120002765 is a deficient number, since it is larger than the sum of its proper divisors (31579795).

120002765 is a wasteful number, since it uses less digits than its factorization.

120002765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263211.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 120002765 is about 10954.5773537823. The cubic root of 120002765 is about 493.2462032128.

Adding to 120002765 its reverse (567200021), we get a palindrome (687202786).

The spelling of 120002765 in words is "one hundred twenty million, two thousand, seven hundred sixty-five".