122287993259 has 4 divisors (see below), whose sum is σ = 124889865504. Its totient is φ = 119686121016.

The previous prime is 122287993241. The next prime is 122287993319. The reversal of 122287993259 is 952399782221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122287993259 - 2³² = 117993025963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122287993198 and 122287993207.

It is not an unprimeable number, because it can be changed into a prime (122287933259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300936052 + ... + 1300936145.

It is an arithmetic number, because the mean of its divisors is an integer number (31222466376).

Almost surely, 2^122287993259 is an apocalyptic number.

122287993259 is a deficient number, since it is larger than the sum of its proper divisors (2601872245).

122287993259 is an equidigital number, since it uses as much as digits as its factorization.

122287993259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601872244.

The product of its digits is 9797760, while the sum is 59.

The spelling of 122287993259 in words is "one hundred twenty-two billion, two hundred eighty-seven million, nine hundred ninety-three thousand, two hundred fifty-nine".