122900115 has 64 divisors (see below), whose sum is σ = 222243840. Its totient is φ = 57576960.

The previous prime is 122900111. The next prime is 122900131. The reversal of 122900115 is 511009221.

It is not a de Polignac number, because 122900115 - 2² = 122900111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122900091 and 122900100.

It is not an unprimeable number, because it can be changed into a prime (122900111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 582360 + ... + 582570.

It is an arithmetic number, because the mean of its divisors is an integer number (3472560).

Almost surely, 2^122900115 is an apocalyptic number.

122900115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122900115 is a deficient number, since it is larger than the sum of its proper divisors (99343725).

122900115 is a wasteful number, since it uses less digits than its factorization.

122900115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 122900115 is about 11086.0324282405. The cubic root of 122900115 is about 497.1843270688.

Adding to 122900115 its reverse (511009221), we get a palindrome (633909336).

The spelling of 122900115 in words is "one hundred twenty-two million, nine hundred thousand, one hundred fifteen".