122682989 has 24 divisors (see below), whose sum is σ = 151581696. Its totient is φ = 98445600.

The previous prime is 122682979. The next prime is 122683013. The reversal of 122682989 is 989286221.

It is a de Polignac number, because none of the positive numbers 2^k-122682989 is a prime.

It is a super-2 number, since 2×122682989² = 30102231579948242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122682919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34484 + ... + 37874.

It is an arithmetic number, because the mean of its divisors is an integer number (6315904).

Almost surely, 2^122682989 is an apocalyptic number.

It is an amenable number.

122682989 is a deficient number, since it is larger than the sum of its proper divisors (28898707).

122682989 is a wasteful number, since it uses less digits than its factorization.

122682989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449 (or 3438 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The square root of 122682989 is about 11076.2353261386. The cubic root of 122682989 is about 496.8913648289.

The spelling of 122682989 in words is "one hundred twenty-two million, six hundred eighty-two thousand, nine hundred eighty-nine".