5407132121 has 4 divisors (see below), whose sum is σ = 5407280100. Its totient is φ = 5406984144.

The previous prime is 5407132097. The next prime is 5407132141. The reversal of 5407132121 is 1212317045.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1212317045 = 5 ⋅242463409.

It can be written as a sum of positive squares in 2 ways, for example, as 2684379721 + 2722752400 = 51811^2 + 52180^2 .

It is a cyclic number.

It is not a de Polignac number, because 5407132121 - 2³⁰ = 4333390297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5407132141) 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, 24695 + ... + 106883.

It is an arithmetic number, because the mean of its divisors is an integer number (1351820025).

Almost surely, 2^5407132121 is an apocalyptic number.

It is an amenable number.

5407132121 is a deficient number, since it is larger than the sum of its proper divisors (147979).

5407132121 is an equidigital number, since it uses as much as digits as its factorization.

5407132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147978.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 5407132121 is about 73533.2042073511. The cubic root of 5407132121 is about 1755.1826901049.

Adding to 5407132121 its reverse (1212317045), we get a palindrome (6619449166).

The spelling of 5407132121 in words is "five billion, four hundred seven million, one hundred thirty-two thousand, one hundred twenty-one".