121493674417 has 4 divisors (see below), whose sum is σ = 121660791616. Its totient is φ = 121326557220.

The previous prime is 121493674409. The next prime is 121493674429. The reversal of 121493674417 is 714476394121.

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 121493674417 - 2³ = 121493674409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121493674487) 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, 83557509 + ... + 83558962.

It is an arithmetic number, because the mean of its divisors is an integer number (30415197904).

Almost surely, 2^121493674417 is an apocalyptic number.

It is an amenable number.

121493674417 is a deficient number, since it is larger than the sum of its proper divisors (167117199).

121493674417 is an equidigital number, since it uses as much as digits as its factorization.

121493674417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167117198.

The product of its digits is 1016064, while the sum is 49.

The spelling of 121493674417 in words is "one hundred twenty-one billion, four hundred ninety-three million, six hundred seventy-four thousand, four hundred seventeen".