121456452 has 24 divisors (see below), whose sum is σ = 305198656. Its totient is φ = 37371168.

The previous prime is 121456441. The next prime is 121456463. The reversal of 121456452 is 254654121.

It is an interprime number because it is at equal distance from previous prime (121456441) and next prime (121456463).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389128 + ... + 389439.

Almost surely, 2^121456452 is an apocalyptic number.

121456452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121456452 is an abundant number, since it is smaller than the sum of its proper divisors (183742204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121456452 is a wasteful number, since it uses less digits than its factorization.

121456452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778587 (or 778585 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 121456452 is about 11020.7282880942. The cubic root of 121456452 is about 495.2299064656.

The spelling of 121456452 in words is "one hundred twenty-one million, four hundred fifty-six thousand, four hundred fifty-two".