121413584 has 10 divisors (see below), whose sum is σ = 235238850. Its totient is φ = 60706784.

The previous prime is 121413583. The next prime is 121413601. The reversal of 121413584 is 485314121.

It can be written as a sum of positive squares in only one way, i.e., 98565184 + 22848400 = 9928^2 + 4780^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121413583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3794159 + ... + 3794190.

It is an arithmetic number, because the mean of its divisors is an integer number (23523885).

Almost surely, 2^121413584 is an apocalyptic number.

It is an amenable number.

121413584 is a deficient number, since it is larger than the sum of its proper divisors (113825266).

121413584 is an equidigital number, since it uses as much as digits as its factorization.

121413584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7588357 (or 7588351 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 121413584 is about 11018.7832359113. The cubic root of 121413584 is about 495.1716358855.

The spelling of 121413584 in words is "one hundred twenty-one million, four hundred thirteen thousand, five hundred eighty-four".