122440451 has 8 divisors (see below), whose sum is σ = 140001120. Its totient is φ = 104897088.

The previous prime is 122440429. The next prime is 122440453. The reversal of 122440451 is 154044221.

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 122440451 - 2¹⁴ = 122424067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122440453) 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, 19895 + ... + 25311.

It is an arithmetic number, because the mean of its divisors is an integer number (17500140).

Almost surely, 2^122440451 is an apocalyptic number.

122440451 is a deficient number, since it is larger than the sum of its proper divisors (17560669).

122440451 is an equidigital number, since it uses as much as digits as its factorization.

122440451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8653.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 122440451 is about 11065.2813339743. The cubic root of 122440451 is about 496.5637058668.

Adding to 122440451 its reverse (154044221), we get a palindrome (276484672).

The spelling of 122440451 in words is "one hundred twenty-two million, four hundred forty thousand, four hundred fifty-one".