122797312 has 36 divisors (see below), whose sum is σ = 267404256. Its totient is φ = 55815680.

The previous prime is 122797309. The next prime is 122797313. The reversal of 122797312 is 213797221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122797313) 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, 18988 + ... + 24619.

It is an arithmetic number, because the mean of its divisors is an integer number (7427896).

Almost surely, 2^122797312 is an apocalyptic number.

It is an amenable number.

122797312 is an abundant number, since it is smaller than the sum of its proper divisors (144606944).

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

122797312 is an equidigital number, since it uses as much as digits as its factorization.

122797312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43634 (or 43620 counting only the distinct ones).

The product of its digits is 10584, while the sum is 34.

The square root of 122797312 is about 11081.3948580492. The cubic root of 122797312 is about 497.0456608076.

Subtracting 122797312 from its reverse (213797221), we obtain a palindrome (90999909).

It can be divided in two parts, 12279 and 7312, that added together give a palindrome (19591).

The spelling of 122797312 in words is "one hundred twenty-two million, seven hundred ninety-seven thousand, three hundred twelve".