121410453 has 4 divisors (see below), whose sum is σ = 161880608. Its totient is φ = 80940300.

The previous prime is 121410427. The next prime is 121410463. The reversal of 121410453 is 354014121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 354014121 = 3 ⋅118004707.

It is not a de Polignac number, because 121410453 - 2¹² = 121406357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121410403) 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, 20235073 + ... + 20235078.

It is an arithmetic number, because the mean of its divisors is an integer number (40470152).

Almost surely, 2^121410453 is an apocalyptic number.

It is an amenable number.

121410453 is a deficient number, since it is larger than the sum of its proper divisors (40470155).

121410453 is an equidigital number, since it uses as much as digits as its factorization.

121410453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40470154.

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

The square root of 121410453 is about 11018.6411594171. The cubic root of 121410453 is about 495.1673793719.

Adding to 121410453 its reverse (354014121), we get a palindrome (475424574).

The spelling of 121410453 in words is "one hundred twenty-one million, four hundred ten thousand, four hundred fifty-three".