122445998 has 8 divisors (see below), whose sum is σ = 187576992. Its totient is φ = 59920336.

The previous prime is 122445991. The next prime is 122446003. The reversal of 122445998 is 899544221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122445991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651215 + ... + 651402.

It is an arithmetic number, because the mean of its divisors is an integer number (23447124).

Almost surely, 2^122445998 is an apocalyptic number.

122445998 is a deficient number, since it is larger than the sum of its proper divisors (65130994).

122445998 is a wasteful number, since it uses less digits than its factorization.

122445998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302666.

The product of its digits is 207360, while the sum is 44.

The square root of 122445998 is about 11065.5319799818. The cubic root of 122445998 is about 496.5712044706.

The spelling of 122445998 in words is "one hundred twenty-two million, four hundred forty-five thousand, nine hundred ninety-eight".