122748799 has 2 divisors, whose sum is σ = 122748800. Its totient is φ = 122748798.

The previous prime is 122748781. The next prime is 122748803. The reversal of 122748799 is 997847221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122748799 - 2⁵ = 122748767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122748709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61374399 + 61374400.

It is an arithmetic number, because the mean of its divisors is an integer number (61374400).

Almost surely, 2^122748799 is an apocalyptic number.

122748799 is a deficient number, since it is larger than the sum of its proper divisors (1).

122748799 is an equidigital number, since it uses as much as digits as its factorization.

122748799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 49.

The square root of 122748799 is about 11079.2057025763. The cubic root of 122748799 is about 496.9801969635.

The spelling of 122748799 in words is "one hundred twenty-two million, seven hundred forty-eight thousand, seven hundred ninety-nine".