63113121 has 16 divisors (see below), whose sum is σ = 95677120. Its totient is φ = 41096160.

The previous prime is 63113119. The next prime is 63113137. The reversal of 63113121 is 12131136.

63113121 is a `hidden beast` number, since 631 + 1 + 31 + 2 + 1 = 666.

It is not a de Polignac number, because 63113121 - 2¹ = 63113119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63113094 and 63113103.

It is not an unprimeable number, because it can be changed into a prime (63113161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26020 + ... + 28341.

It is an arithmetic number, because the mean of its divisors is an integer number (5979820).

Almost surely, 2^63113121 is an apocalyptic number.

It is an amenable number.

63113121 is a deficient number, since it is larger than the sum of its proper divisors (32563999).

63113121 is a wasteful number, since it uses less digits than its factorization.

63113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54413 (or 54407 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 63113121 is about 7944.3766904648. The cubic root of 63113121 is about 398.1437344374.

Adding to 63113121 its reverse (12131136), we get a palindrome (75244257).

The spelling of 63113121 in words is "sixty-three million, one hundred thirteen thousand, one hundred twenty-one".