122445790 has 16 divisors (see below), whose sum is σ = 229985568. Its totient is φ = 46848736.

The previous prime is 122445779. The next prime is 122445797. The reversal of 122445790 is 97544221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122445797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265957 + ... + 266416.

It is an arithmetic number, because the mean of its divisors is an integer number (14374098).

Almost surely, 2^122445790 is an apocalyptic number.

122445790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122445790 is a deficient number, since it is larger than the sum of its proper divisors (107539778).

122445790 is a wasteful number, since it uses less digits than its factorization.

122445790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532403.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 122445790 is about 11065.5225814238. The cubic root of 122445790 is about 496.5709232939.

The spelling of 122445790 in words is "one hundred twenty-two million, four hundred forty-five thousand, seven hundred ninety".