122025640245 has 16 divisors (see below), whose sum is σ = 195267240000. Its totient is φ = 65071602944.

The previous prime is 122025640193. The next prime is 122025640267. The reversal of 122025640245 is 542046520221.

It is a cyclic number.

It is not a de Polignac number, because 122025640245 - 2³⁵ = 87665901877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429924 + ... + 654893.

It is an arithmetic number, because the mean of its divisors is an integer number (12204202500).

Almost surely, 2^122025640245 is an apocalyptic number.

122025640245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122025640245 is a deficient number, since it is larger than the sum of its proper divisors (73241599755).

122025640245 is a wasteful number, since it uses less digits than its factorization.

122025640245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092324.

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 122025640245 in words is "one hundred twenty-two billion, twenty-five million, six hundred forty thousand, two hundred forty-five".