46131121 has 4 divisors (see below), whose sum is σ = 46250100. Its totient is φ = 46012144.

The previous prime is 46131061. The next prime is 46131161. The reversal of 46131121 is 12113164.

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 3045025 + 43086096 = 1745^2 + 6564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46131121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46131161) 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, 58906 + ... + 59683.

It is an arithmetic number, because the mean of its divisors is an integer number (11562525).

Almost surely, 2^46131121 is an apocalyptic number.

It is an amenable number.

46131121 is a deficient number, since it is larger than the sum of its proper divisors (118979).

46131121 is a wasteful number, since it uses less digits than its factorization.

46131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118978.

The product of its digits is 144, while the sum is 19.

The square root of 46131121 is about 6791.9894729011. The cubic root of 46131121 is about 358.6449082116.

Adding to 46131121 its reverse (12113164), we get a palindrome (58244285).

The spelling of 46131121 in words is "forty-six million, one hundred thirty-one thousand, one hundred twenty-one".