120802783 has 4 divisors (see below), whose sum is σ = 121113720. Its totient is φ = 120491848.

The previous prime is 120802727. The next prime is 120802807. The reversal of 120802783 is 387208021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120802783 - 2⁹ = 120802271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120802483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154885 + ... + 155662.

It is an arithmetic number, because the mean of its divisors is an integer number (30278430).

Almost surely, 2^120802783 is an apocalyptic number.

120802783 is a deficient number, since it is larger than the sum of its proper divisors (310937).

120802783 is an equidigital number, since it uses as much as digits as its factorization.

120802783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310936.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 120802783 is about 10991.0319351733. The cubic root of 120802783 is about 494.3398784933.

The spelling of 120802783 in words is "one hundred twenty million, eight hundred two thousand, seven hundred eighty-three".