122115099 has 4 divisors (see below), whose sum is σ = 162820136. Its totient is φ = 81410064.

The previous prime is 122115079. The next prime is 122115113. The reversal of 122115099 is 990511221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 122115099 - 2²³ = 113726491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122115079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20352514 + ... + 20352519.

It is an arithmetic number, because the mean of its divisors is an integer number (40705034).

Almost surely, 2^122115099 is an apocalyptic number.

122115099 is a deficient number, since it is larger than the sum of its proper divisors (40705037).

122115099 is an equidigital number, since it uses as much as digits as its factorization.

122115099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40705036.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 122115099 is about 11050.5700757925. The cubic root of 122115099 is about 496.1234883193.

The spelling of 122115099 in words is "one hundred twenty-two million, one hundred fifteen thousand, ninety-nine".