132125421 has 16 divisors (see below), whose sum is σ = 183648960. Its totient is φ = 84389760.

The previous prime is 132125387. The next prime is 132125437. The reversal of 132125421 is 124521231.

It is not a de Polignac number, because 132125421 - 2¹⁴ = 132109037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132125471) 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, 5601 + ... + 17193.

It is an arithmetic number, because the mean of its divisors is an integer number (11478060).

Almost surely, 2^132125421 is an apocalyptic number.

It is an amenable number.

132125421 is a deficient number, since it is larger than the sum of its proper divisors (51523539).

132125421 is a wasteful number, since it uses less digits than its factorization.

132125421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11756.

The product of its digits is 480, while the sum is 21.

The square root of 132125421 is about 11494.5822455625. The cubic root of 132125421 is about 509.3255482924.

Adding to 132125421 its reverse (124521231), we get a palindrome (256646652).

The spelling of 132125421 in words is "one hundred thirty-two million, one hundred twenty-five thousand, four hundred twenty-one".