122982751 has 4 divisors (see below), whose sum is σ = 124200504. Its totient is φ = 121765000.

The previous prime is 122982749. The next prime is 122982779. The reversal of 122982751 is 157289221.

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 122982751 - 2¹ = 122982749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122982751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122982731) 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, 608725 + ... + 608926.

It is an arithmetic number, because the mean of its divisors is an integer number (31050126).

Almost surely, 2^122982751 is an apocalyptic number.

122982751 is a deficient number, since it is larger than the sum of its proper divisors (1217753).

122982751 is a wasteful number, since it uses less digits than its factorization.

122982751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217752.

The product of its digits is 20160, while the sum is 37.

The square root of 122982751 is about 11089.7588341677. The cubic root of 122982751 is about 497.2957349362.

The spelling of 122982751 in words is "one hundred twenty-two million, nine hundred eighty-two thousand, seven hundred fifty-one".