121447532 has 12 divisors (see below), whose sum is σ = 213137736. Its totient is φ = 60551040.

The previous prime is 121447519. The next prime is 121447583. The reversal of 121447532 is 235744121.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 121447495 and 121447504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41594 + ... + 44417.

It is an arithmetic number, because the mean of its divisors is an integer number (17761478).

Almost surely, 2^121447532 is an apocalyptic number.

It is an amenable number.

121447532 is a deficient number, since it is larger than the sum of its proper divisors (91690204).

121447532 is a wasteful number, since it uses less digits than its factorization.

121447532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86368 (or 86366 counting only the distinct ones).

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

The square root of 121447532 is about 11020.3235887155. The cubic root of 121447532 is about 495.2177826170.

The spelling of 121447532 in words is "one hundred twenty-one million, four hundred forty-seven thousand, five hundred thirty-two".