121534470 has 24 divisors (see below), whose sum is σ = 315989856. Its totient is φ = 32409168.

The previous prime is 121534453. The next prime is 121534471. The reversal of 121534470 is 74435121.

121534470 is a `hidden beast` number, since 1 + 215 + 3 + 447 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121534471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 675102 + ... + 675281.

It is an arithmetic number, because the mean of its divisors is an integer number (13166244).

Almost surely, 2^121534470 is an apocalyptic number.

121534470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121534470 is an abundant number, since it is smaller than the sum of its proper divisors (194455386).

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

121534470 is a wasteful number, since it uses less digits than its factorization.

121534470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350396 (or 1350393 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 121534470 is about 11024.2673225934. The cubic root of 121534470 is about 495.3359213550.

Adding to 121534470 its reverse (74435121), we get a palindrome (195969591).

The spelling of 121534470 in words is "one hundred twenty-one million, five hundred thirty-four thousand, four hundred seventy".