121454152 has 8 divisors (see below), whose sum is σ = 227726550. Its totient is φ = 60727072.

The previous prime is 121454147. The next prime is 121454167. The reversal of 121454152 is 251454121.

It can be written as a sum of positive squares in only one way, i.e., 112656996 + 8797156 = 10614^2 + 2966^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×121454152² = 29502222076078208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7590877 + ... + 7590892.

Almost surely, 2^121454152 is an apocalyptic number.

It is an amenable number.

121454152 is a deficient number, since it is larger than the sum of its proper divisors (106272398).

121454152 is a wasteful number, since it uses less digits than its factorization.

121454152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15181775 (or 15181771 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 121454152 is about 11020.6239387795. The cubic root of 121454152 is about 495.2267804180.

The spelling of 121454152 in words is "one hundred twenty-one million, four hundred fifty-four thousand, one hundred fifty-two".