123132451 has 8 divisors (see below), whose sum is σ = 133076720. Its totient is φ = 113255712.

The previous prime is 123132421. The next prime is 123132461. The reversal of 123132451 is 154231321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123132451 - 2⁵ = 123132419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123132421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13056 + ... + 20413.

It is an arithmetic number, because the mean of its divisors is an integer number (16634590).

Almost surely, 2^123132451 is an apocalyptic number.

123132451 is a deficient number, since it is larger than the sum of its proper divisors (9944269).

123132451 is a wasteful number, since it uses less digits than its factorization.

123132451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33765.

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

The square root of 123132451 is about 11096.5062519696. The cubic root of 123132451 is about 497.4974298496.

Adding to 123132451 its reverse (154231321), we get a palindrome (277363772).

The spelling of 123132451 in words is "one hundred twenty-three million, one hundred thirty-two thousand, four hundred fifty-one".