132123451 has 2 divisors, whose sum is σ = 132123452. Its totient is φ = 132123450.

The previous prime is 132123427. The next prime is 132123487. The reversal of 132123451 is 154321231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 132123451 - 2⁵ = 132123419 is a prime.

It is not a weakly prime, because it can be changed into another prime (132123401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66061725 + 66061726.

It is an arithmetic number, because the mean of its divisors is an integer number (66061726).

Almost surely, 2^132123451 is an apocalyptic number.

132123451 is a deficient number, since it is larger than the sum of its proper divisors (1).

132123451 is an equidigital number, since it uses as much as digits as its factorization.

132123451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 132123451 is about 11494.4965526986. The cubic root of 132123451 is about 509.3230169191.

Adding to 132123451 its reverse (154321231), we get a palindrome (286444682).

The spelling of 132123451 in words is "one hundred thirty-two million, one hundred twenty-three thousand, four hundred fifty-one".