122112453 has 4 divisors (see below), whose sum is σ = 162816608. Its totient is φ = 81408300.

The previous prime is 122112443. The next prime is 122112461. The reversal of 122112453 is 354211221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 122112453 - 2⁵ = 122112421 is a prime.

It is a super-2 number, since 2×122112453² = 29822902355354418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112413) 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, 20352073 + ... + 20352078.

It is an arithmetic number, because the mean of its divisors is an integer number (40704152).

Almost surely, 2^122112453 is an apocalyptic number.

It is an amenable number.

122112453 is a deficient number, since it is larger than the sum of its proper divisors (40704155).

122112453 is an equidigital number, since it uses as much as digits as its factorization.

122112453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40704154.

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

The square root of 122112453 is about 11050.4503528137. The cubic root of 122112453 is about 496.1199049452.

Adding to 122112453 its reverse (354211221), we get a palindrome (476323674).

It can be divided in two parts, 122 and 112453, that added together give a triangular number (112575 = T₄₇₄).

The spelling of 122112453 in words is "one hundred twenty-two million, one hundred twelve thousand, four hundred fifty-three".