122720246 has 16 divisors (see below), whose sum is σ = 212628240. Its totient is φ = 52500480.

The previous prime is 122720239. The next prime is 122720251. The reversal of 122720246 is 642027221.

It is a congruent number.

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, 163691 + ... + 164438.

It is an arithmetic number, because the mean of its divisors is an integer number (13289265).

Almost surely, 2^122720246 is an apocalyptic number.

122720246 is a deficient number, since it is larger than the sum of its proper divisors (89907994).

122720246 is a wasteful number, since it uses less digits than its factorization.

122720246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328159.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 122720246 is about 11077.9170424769. The cubic root of 122720246 is about 496.9416592450.

Adding to 122720246 its reverse (642027221), we get a palindrome (764747467).

The spelling of 122720246 in words is "one hundred twenty-two million, seven hundred twenty thousand, two hundred forty-six".