122445042 has 16 divisors (see below), whose sum is σ = 245153952. Its totient is φ = 40771040.

The previous prime is 122445019. The next prime is 122445049. The reversal of 122445042 is 240544221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122445049) 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, 4683 + ... + 16334.

It is an arithmetic number, because the mean of its divisors is an integer number (15322122).

Almost surely, 2^122445042 is an apocalyptic number.

122445042 is an abundant number, since it is smaller than the sum of its proper divisors (122708910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122445042 is a wasteful number, since it uses less digits than its factorization.

122445042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21993.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 122445042 is about 11065.4887826973. The cubic root of 122445042 is about 496.5699121368.

Adding to 122445042 its reverse (240544221), we get a palindrome (362989263).

The spelling of 122445042 in words is "one hundred twenty-two million, four hundred forty-five thousand, forty-two".