94121999 has 4 divisors (see below), whose sum is σ = 94206936. Its totient is φ = 94037064.

The previous prime is 94121987. The next prime is 94122031. The reversal of 94121999 is 99912149.

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 94121999 - 2¹⁶ = 94056463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94121099) 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, 40784 + ... + 43029.

It is an arithmetic number, because the mean of its divisors is an integer number (23551734).

Almost surely, 2^94121999 is an apocalyptic number.

94121999 is a deficient number, since it is larger than the sum of its proper divisors (84937).

94121999 is a wasteful number, since it uses less digits than its factorization.

94121999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84936.

The product of its digits is 52488, while the sum is 44.

The square root of 94121999 is about 9701.6492927749. The cubic root of 94121999 is about 454.8802148147.

It can be divided in two parts, 9412 and 1999, that added together give a palindrome (11411).

The spelling of 94121999 in words is "ninety-four million, one hundred twenty-one thousand, nine hundred ninety-nine".