122742748 has 24 divisors (see below), whose sum is σ = 217954800. Its totient is φ = 60475008.

The previous prime is 122742713. The next prime is 122742779. The reversal of 122742748 is 847247221.

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, 197983 + ... + 198601.

It is an arithmetic number, because the mean of its divisors is an integer number (9081450).

Almost surely, 2^122742748 is an apocalyptic number.

It is an amenable number.

122742748 is a deficient number, since it is larger than the sum of its proper divisors (95212052).

122742748 is a wasteful number, since it uses less digits than its factorization.

122742748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269 (or 1267 counting only the distinct ones).

The product of its digits is 50176, while the sum is 37.

The square root of 122742748 is about 11078.9326200677. The cubic root of 122742748 is about 496.9720304842.

Adding to 122742748 its reverse (847247221), we get a palindrome (969989969).

The spelling of 122742748 in words is "one hundred twenty-two million, seven hundred forty-two thousand, seven hundred forty-eight".