122403452264728 has 8 divisors (see below), whose sum is σ = 229506472996380. Its totient is φ = 61201726132360.

The previous prime is 122403452264693. The next prime is 122403452264729. The reversal of 122403452264728 is 827462254304221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122403452264729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7650215766538 + ... + 7650215766553.

Almost surely, 2^{122403452264728} is an apocalyptic number.

It is an amenable number.

122403452264728 is a deficient number, since it is larger than the sum of its proper divisors (107103020731652).

122403452264728 is a wasteful number, since it uses less digits than its factorization.

122403452264728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15300431533097 (or 15300431533093 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 52.

The spelling of 122403452264728 in words is "one hundred twenty-two trillion, four hundred three billion, four hundred fifty-two million, two hundred sixty-four thousand, seven hundred twenty-eight".