472631121 has 12 divisors (see below), whose sum is σ = 683094672. Its totient is φ = 314900376.

The previous prime is 472631119. The next prime is 472631141. The reversal of 472631121 is 121136274.

472631121 is a `hidden beast` number, since 4 + 7 + 2 + 631 + 1 + 21 = 666.

It is not a de Polignac number, because 472631121 - 2¹ = 472631119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (472631141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1390 + ... + 30776.

It is an arithmetic number, because the mean of its divisors is an integer number (56924556).

Almost surely, 2^472631121 is an apocalyptic number.

It is an amenable number.

472631121 is a deficient number, since it is larger than the sum of its proper divisors (210463551).

472631121 is a wasteful number, since it uses less digits than its factorization.

472631121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31180 (or 31177 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 472631121 is about 21740.0809796100. The cubic root of 472631121 is about 778.9461557062.

Adding to 472631121 its reverse (121136274), we get a palindrome (593767395).

It can be divided in two parts, 47263 and 1121, that added together give a palindrome (48384).

The spelling of 472631121 in words is "four hundred seventy-two million, six hundred thirty-one thousand, one hundred twenty-one".