122498918 has 8 divisors (see below), whose sum is σ = 189675840. Its totient is φ = 59273640.

The previous prime is 122498903. The next prime is 122498921. The reversal of 122498918 is 819894221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×122498918² = 30011969822341448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987833 + ... + 987956.

It is an arithmetic number, because the mean of its divisors is an integer number (23709480).

Almost surely, 2^122498918 is an apocalyptic number.

122498918 is a deficient number, since it is larger than the sum of its proper divisors (67176922).

122498918 is a wasteful number, since it uses less digits than its factorization.

122498918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975822.

The product of its digits is 82944, while the sum is 44.

The square root of 122498918 is about 11067.9229307038. The cubic root of 122498918 is about 496.6427319567.

The spelling of 122498918 in words is "one hundred twenty-two million, four hundred ninety-eight thousand, nine hundred eighteen".