122899288 has 8 divisors (see below), whose sum is σ = 230436180. Its totient is φ = 61449640.

The previous prime is 122899279. The next prime is 122899319. The reversal of 122899288 is 882998221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7681198 + ... + 7681213.

Almost surely, 2^122899288 is an apocalyptic number.

It is an amenable number.

122899288 is a deficient number, since it is larger than the sum of its proper divisors (107536892).

122899288 is a wasteful number, since it uses less digits than its factorization.

122899288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15362417 (or 15362413 counting only the distinct ones).

The product of its digits is 331776, while the sum is 49.

The square root of 122899288 is about 11085.9951289905. The cubic root of 122899288 is about 497.1832118750.

The spelling of 122899288 in words is "one hundred twenty-two million, eight hundred ninety-nine thousand, two hundred eighty-eight".