472116121 has 4 divisors (see below), whose sum is σ = 472303744. Its totient is φ = 471928500.

The previous prime is 472116109. The next prime is 472116137. The reversal of 472116121 is 121611274.

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 472116121 - 2¹¹ = 472114073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472116721) 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, 89985 + ... + 95086.

It is an arithmetic number, because the mean of its divisors is an integer number (118075936).

Almost surely, 2^472116121 is an apocalyptic number.

It is an amenable number.

472116121 is a deficient number, since it is larger than the sum of its proper divisors (187623).

472116121 is a wasteful number, since it uses less digits than its factorization.

472116121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187622.

The product of its digits is 672, while the sum is 25.

The square root of 472116121 is about 21728.2332691823. The cubic root of 472116121 is about 778.6631280292.

Adding to 472116121 its reverse (121611274), we get a palindrome (593727395).

The spelling of 472116121 in words is "four hundred seventy-two million, one hundred sixteen thousand, one hundred twenty-one".