122045842 has 8 divisors (see below), whose sum is σ = 183329100. Its totient is φ = 60936144.

The previous prime is 122045837. The next prime is 122045849. The reversal of 122045842 is 248540221.

It can be written as a sum of positive squares in 2 ways, for example, as 113230881 + 8814961 = 10641^2 + 2969^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 122045842.

It is not an unprimeable number, because it can be changed into a prime (122045849) 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, 41617 + ... + 44452.

Almost surely, 2^122045842 is an apocalyptic number.

122045842 is a deficient number, since it is larger than the sum of its proper divisors (61283258).

122045842 is an equidigital number, since it uses as much as digits as its factorization.

122045842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86780.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 122045842 is about 11047.4359921205. The cubic root of 122045842 is about 496.0296792204.

The spelling of 122045842 in words is "one hundred twenty-two million, forty-five thousand, eight hundred forty-two".