121252453 has 8 divisors (see below), whose sum is σ = 138850560. Its totient is φ = 103723440.

The previous prime is 121252447. The next prime is 121252463. The reversal of 121252453 is 354252121.

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 121252453 - 2¹³ = 121244261 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 (121252403) 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, 13453 + ... + 20578.

It is an arithmetic number, because the mean of its divisors is an integer number (17356320).

Almost surely, 2^121252453 is an apocalyptic number.

It is an amenable number.

121252453 is a deficient number, since it is larger than the sum of its proper divisors (17598107).

121252453 is an equidigital number, since it uses as much as digits as its factorization.

121252453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34547.

The product of its digits is 2400, while the sum is 25.

The square root of 121252453 is about 11011.4691572015. The cubic root of 121252453 is about 494.9524873622.

The spelling of 121252453 in words is "one hundred twenty-one million, two hundred fifty-two thousand, four hundred fifty-three".