122616451 has 4 divisors (see below), whose sum is σ = 122713600. Its totient is φ = 122519304.

The previous prime is 122616449. The next prime is 122616463. The reversal of 122616451 is 154616221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122616451 - 2¹ = 122616449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122616251) 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, 46656 + ... + 49213.

It is an arithmetic number, because the mean of its divisors is an integer number (30678400).

Almost surely, 2^122616451 is an apocalyptic number.

122616451 is a deficient number, since it is larger than the sum of its proper divisors (97149).

122616451 is an equidigital number, since it uses as much as digits as its factorization.

122616451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97148.

The product of its digits is 2880, while the sum is 28.

The square root of 122616451 is about 11073.2312808864. The cubic root of 122616451 is about 496.8015177174.

The spelling of 122616451 in words is "one hundred twenty-two million, six hundred sixteen thousand, four hundred fifty-one".