121452473 has 4 divisors (see below), whose sum is σ = 121476480. Its totient is φ = 121428468.

The previous prime is 121452449. The next prime is 121452479. The reversal of 121452473 is 374254121.

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: 374254121 = 6007 ⋅62303.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121452473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121452479) 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, 1133 + ... + 15626.

It is an arithmetic number, because the mean of its divisors is an integer number (30369120).

Almost surely, 2^121452473 is an apocalyptic number.

It is an amenable number.

121452473 is a deficient number, since it is larger than the sum of its proper divisors (24007).

121452473 is an equidigital number, since it uses as much as digits as its factorization.

121452473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24006.

The product of its digits is 6720, while the sum is 29.

The square root of 121452473 is about 11020.5477631559. The cubic root of 121452473 is about 495.2244983783.

The spelling of 121452473 in words is "one hundred twenty-one million, four hundred fifty-two thousand, four hundred seventy-three".