122408913189453 has 32 divisors (see below), whose sum is σ = 185816121984000. Its totient is φ = 70951942131840.

The previous prime is 122408913189401. The next prime is 122408913189463. The reversal of 122408913189453 is 354981319804221.

It is a happy number.

It is not a de Polignac number, because 122408913189453 - 2²⁶ = 122408846080589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122408913189463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5544328 + ... + 16599921.

It is an arithmetic number, because the mean of its divisors is an integer number (5806753812000).

Almost surely, 2^{122408913189453} is an apocalyptic number.

It is an amenable number.

122408913189453 is a deficient number, since it is larger than the sum of its proper divisors (63407208794547).

122408913189453 is a wasteful number, since it uses less digits than its factorization.

122408913189453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22151569.

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 122408913189453 in words is "one hundred twenty-two trillion, four hundred eight billion, nine hundred thirteen million, one hundred eighty-nine thousand, four hundred fifty-three".