122970815 has 16 divisors (see below), whose sum is σ = 163623456. Its totient is φ = 87964800.

The previous prime is 122970797. The next prime is 122970829. The reversal of 122970815 is 518079221.

It is not a de Polignac number, because 122970815 - 2¹⁴ = 122954431 is a prime.

It is a super-4 number, since 4×122970815⁴ (a number of 33 digits) contains 4444 as substring.

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 15 ways as a sum of consecutive naturals, for example, 14972 + ... + 21681.

It is an arithmetic number, because the mean of its divisors is an integer number (10226466).

Almost surely, 2^122970815 is an apocalyptic number.

122970815 is a deficient number, since it is larger than the sum of its proper divisors (40652641).

122970815 is a wasteful number, since it uses less digits than its factorization.

122970815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36730.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 122970815 is about 11089.2206669360. The cubic root of 122970815 is about 497.2796461923.

The spelling of 122970815 in words is "one hundred twenty-two million, nine hundred seventy thousand, eight hundred fifteen".