122820748 has 24 divisors (see below), whose sum is σ = 223216560. Its totient is φ = 59086080.

The previous prime is 122820743. The next prime is 122820773. The reversal of 122820748 is 847028221.

It is a super-2 number, since 2×122820748² = 30169872278559008, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (122820743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6843 + ... + 17101.

It is an arithmetic number, because the mean of its divisors is an integer number (9300690).

Almost surely, 2^122820748 is an apocalyptic number.

It is an amenable number.

122820748 is a deficient number, since it is larger than the sum of its proper divisors (100395812).

122820748 is a wasteful number, since it uses less digits than its factorization.

122820748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10377 (or 10375 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 122820748 is about 11082.4522557059. The cubic root of 122820748 is about 497.0772793638.

Adding to 122820748 its reverse (847028221), we get a palindrome (969848969).

The spelling of 122820748 in words is "one hundred twenty-two million, eight hundred twenty thousand, seven hundred forty-eight".