122390581441 has 4 divisors (see below), whose sum is σ = 122392165312. Its totient is φ = 122388997572.

The previous prime is 122390581429. The next prime is 122390581447. The reversal of 122390581441 is 144185093221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122390581441 - 2²⁹ = 121853710529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122390581394 and 122390581403.

It is not an unprimeable number, because it can be changed into a prime (122390581447) 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, 669741 + ... + 832666.

It is an arithmetic number, because the mean of its divisors is an integer number (30598041328).

Almost surely, 2^122390581441 is an apocalyptic number.

It is an amenable number.

122390581441 is a deficient number, since it is larger than the sum of its proper divisors (1583871).

122390581441 is an equidigital number, since it uses as much as digits as its factorization.

122390581441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583870.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 122390581441 in words is "one hundred twenty-two billion, three hundred ninety million, five hundred eighty-one thousand, four hundred forty-one".