122748953 has 4 divisors (see below), whose sum is σ = 128085888. Its totient is φ = 117412020.

The previous prime is 122748937. The next prime is 122748973. The reversal of 122748953 is 359847221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122748953 - 2⁴ = 122748937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122748953.

It is not an unprimeable number, because it can be changed into a prime (122748973) 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, 2668433 + ... + 2668478.

It is an arithmetic number, because the mean of its divisors is an integer number (32021472).

Almost surely, 2^122748953 is an apocalyptic number.

It is an amenable number.

122748953 is a deficient number, since it is larger than the sum of its proper divisors (5336935).

122748953 is an equidigital number, since it uses as much as digits as its factorization.

122748953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336934.

The product of its digits is 120960, while the sum is 41.

The square root of 122748953 is about 11079.2126525309. The cubic root of 122748953 is about 496.9804047997.

The spelling of 122748953 in words is "one hundred twenty-two million, seven hundred forty-eight thousand, nine hundred fifty-three".