122983561 has 8 divisors (see below), whose sum is σ = 130183200. Its totient is φ = 115856640.

The previous prime is 122983547. The next prime is 122983583. The reversal of 122983561 is 165389221.

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 122983561 - 2⁵ = 122983529 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 122983561.

It is not an unprimeable number, because it can be changed into a prime (122983061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14680 + ... + 21481.

It is an arithmetic number, because the mean of its divisors is an integer number (16272900).

Almost surely, 2^122983561 is an apocalyptic number.

It is an amenable number.

122983561 is a deficient number, since it is larger than the sum of its proper divisors (7199639).

122983561 is a wasteful number, since it uses less digits than its factorization.

122983561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36359.

The product of its digits is 25920, while the sum is 37.

The square root of 122983561 is about 11089.7953542886. The cubic root of 122983561 is about 497.2968267117.

The spelling of 122983561 in words is "one hundred twenty-two million, nine hundred eighty-three thousand, five hundred sixty-one".