122628146 has 8 divisors (see below), whose sum is σ = 184767744. Its totient is φ = 61038900.

The previous prime is 122628127. The next prime is 122628173. The reversal of 122628146 is 641826221.

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

It is an unprimeable number.

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, 137030 + ... + 137921.

It is an arithmetic number, because the mean of its divisors is an integer number (23095968).

Almost surely, 2^122628146 is an apocalyptic number.

122628146 is a deficient number, since it is larger than the sum of its proper divisors (62139598).

122628146 is a wasteful number, since it uses less digits than its factorization.

122628146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275176.

The product of its digits is 9216, while the sum is 32.

The square root of 122628146 is about 11073.7593436014. The cubic root of 122628146 is about 496.8173119793.

The spelling of 122628146 in words is "one hundred twenty-two million, six hundred twenty-eight thousand, one hundred forty-six".