122983615 has 4 divisors (see below), whose sum is σ = 147580344. Its totient is φ = 98386888.

The previous prime is 122983607. The next prime is 122983621. The reversal of 122983615 is 516389221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 516389221 = 17137 ⋅30133.

It is a cyclic number.

It is not a de Polignac number, because 122983615 - 2³ = 122983607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12298357 + ... + 12298366.

It is an arithmetic number, because the mean of its divisors is an integer number (36895086).

Almost surely, 2^122983615 is an apocalyptic number.

122983615 is a deficient number, since it is larger than the sum of its proper divisors (24596729).

122983615 is an equidigital number, since it uses as much as digits as its factorization.

122983615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24596728.

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

The square root of 122983615 is about 11089.7977889590. The cubic root of 122983615 is about 497.2968994965.

The spelling of 122983615 in words is "one hundred twenty-two million, nine hundred eighty-three thousand, six hundred fifteen".