122400998 has 8 divisors (see below), whose sum is σ = 186116808. Its totient is φ = 60362064.

The previous prime is 122400997. The next prime is 122401007. The reversal of 122400998 is 899004221.

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

It is a super-2 number, since 2×122400998² = 29964008622792008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122400997) 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, 419036 + ... + 419327.

It is an arithmetic number, because the mean of its divisors is an integer number (23264601).

Almost surely, 2^122400998 is an apocalyptic number.

122400998 is a deficient number, since it is larger than the sum of its proper divisors (63715810).

122400998 is an equidigital number, since it uses as much as digits as its factorization.

122400998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838438.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 122400998 is about 11063.4984521172. The cubic root of 122400998 is about 496.5103655633.

The spelling of 122400998 in words is "one hundred twenty-two million, four hundred thousand, nine hundred ninety-eight".