122504853491 has 8 divisors (see below), whose sum is σ = 124588316160. Its totient is φ = 120421627912.

The previous prime is 122504853481. The next prime is 122504853533. The reversal of 122504853491 is 194358405221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122504853491 - 2¹⁴ = 122504837107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122504853431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213046 + ... + 1310148.

It is an arithmetic number, because the mean of its divisors is an integer number (15573539520).

Almost surely, 2^122504853491 is an apocalyptic number.

122504853491 is a deficient number, since it is larger than the sum of its proper divisors (2083462669).

122504853491 is an equidigital number, since it uses as much as digits as its factorization.

122504853491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118545.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 122504853491 in words is "one hundred twenty-two billion, five hundred four million, eight hundred fifty-three thousand, four hundred ninety-one".