94785121 has 4 divisors (see below), whose sum is σ = 94871700. Its totient is φ = 94698544.

The previous prime is 94785113. The next prime is 94785127. The reversal of 94785121 is 12158749.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41422096 + 53363025 = 6436^2 + 7305^2 .

It is a cyclic number.

It is not a de Polignac number, because 94785121 - 2³ = 94785113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94785127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41626 + ... + 43843.

It is an arithmetic number, because the mean of its divisors is an integer number (23717925).

Almost surely, 2^94785121 is an apocalyptic number.

It is an amenable number.

94785121 is a deficient number, since it is larger than the sum of its proper divisors (86579).

94785121 is a wasteful number, since it uses less digits than its factorization.

94785121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86578.

The product of its digits is 20160, while the sum is 37.

The square root of 94785121 is about 9735.7650444123. The cubic root of 94785121 is about 455.9459785830.

It can be divided in two parts, 947 and 85121, that added together give a palindrome (86068).

The spelling of 94785121 in words is "ninety-four million, seven hundred eighty-five thousand, one hundred twenty-one".