121454401 has 4 divisors (see below), whose sum is σ = 121478832. Its totient is φ = 121429972.

The previous prime is 121454393. The next prime is 121454413. The reversal of 121454401 is 104454121.

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: 104454121 = 9133 ⋅11437.

It is a cyclic number.

It is not a de Polignac number, because 121454401 - 2³ = 121454393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121454701) 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, 1795 + ... + 15688.

It is an arithmetic number, because the mean of its divisors is an integer number (30369708).

Almost surely, 2^121454401 is an apocalyptic number.

It is an amenable number.

121454401 is a deficient number, since it is larger than the sum of its proper divisors (24431).

121454401 is an equidigital number, since it uses as much as digits as its factorization.

121454401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24430.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 121454401 is about 11020.6352357748. The cubic root of 121454401 is about 495.2271188485.

The spelling of 121454401 in words is "one hundred twenty-one million, four hundred fifty-four thousand, four hundred one".