122551115 has 8 divisors (see below), whose sum is σ = 147366240. Its totient is φ = 97837632.

The previous prime is 122551109. The next prime is 122551123. The reversal of 122551115 is 511155221.

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 122551115 - 2⁸ = 122550859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22730 + ... + 27599.

It is an arithmetic number, because the mean of its divisors is an integer number (18420780).

Almost surely, 2^122551115 is an apocalyptic number.

122551115 is a deficient number, since it is larger than the sum of its proper divisors (24815125).

122551115 is an equidigital number, since it uses as much as digits as its factorization.

122551115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50821.

The product of its digits is 500, while the sum is 23.

The square root of 122551115 is about 11070.2807100814. The cubic root of 122551115 is about 496.7132620479.

The spelling of 122551115 in words is "one hundred twenty-two million, five hundred fifty-one thousand, one hundred fifteen".