122577242 has 16 divisors (see below), whose sum is σ = 195014952. Its totient is φ = 57584640.

The previous prime is 122577239. The next prime is 122577283. The reversal of 122577242 is 242775221.

It can be written as a sum of positive squares in 4 ways, for example, as 94497841 + 28079401 = 9721^2 + 5299^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122577199 and 122577208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19442 + ... + 24962.

Almost surely, 2^122577242 is an apocalyptic number.

122577242 is a deficient number, since it is larger than the sum of its proper divisors (72437710).

122577242 is a wasteful number, since it uses less digits than its factorization.

122577242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6193.

The product of its digits is 15680, while the sum is 32.

The square root of 122577242 is about 11071.4606985709. The cubic root of 122577242 is about 496.7485580827.

The spelling of 122577242 in words is "one hundred twenty-two million, five hundred seventy-seven thousand, two hundred forty-two".