113220783 has 12 divisors (see below), whose sum is σ = 176121400. Its totient is φ = 69674256.

The previous prime is 113220769. The next prime is 113220787. The reversal of 113220783 is 387022311.

It is not a de Polignac number, because 113220783 - 2⁶ = 113220719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113220787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 483733 + ... + 483966.

Almost surely, 2^113220783 is an apocalyptic number.

113220783 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

113220783 is a deficient number, since it is larger than the sum of its proper divisors (62900617).

113220783 is a wasteful number, since it uses less digits than its factorization.

113220783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967718 (or 967715 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 113220783 is about 10640.5255039401. The cubic root of 113220783 is about 483.7734736121.

It can be divided in two parts, 113220 and 783, that added together give a triangular number (114003 = T₄₇₇).

The spelling of 113220783 in words is "one hundred thirteen million, two hundred twenty thousand, seven hundred eighty-three".