122761312 has 12 divisors (see below), whose sum is σ = 241686396. Its totient is φ = 61380640.

The previous prime is 122761297. The next prime is 122761351. The reversal of 122761312 is 213167221.

It is a happy number.

It is a super-2 number, since 2×122761312² = 30140679447922688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1918114 + ... + 1918177.

It is an arithmetic number, because the mean of its divisors is an integer number (20140533).

Almost surely, 2^122761312 is an apocalyptic number.

It is an amenable number.

122761312 is a deficient number, since it is larger than the sum of its proper divisors (118925084).

122761312 is an equidigital number, since it uses as much as digits as its factorization.

122761312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836301 (or 3836293 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 122761312 is about 11079.7703947329. The cubic root of 122761312 is about 496.9970837599.

The spelling of 122761312 in words is "one hundred twenty-two million, seven hundred sixty-one thousand, three hundred twelve".