121613432 has 16 divisors (see below), whose sum is σ = 228524640. Its totient is φ = 60673536.

The previous prime is 121613431. The next prime is 121613441. The reversal of 121613432 is 234316121.

It is a junction number, because it is equal to n+sod(n) for n = 121613398 and 121613407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121613431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12713 + ... + 20120.

It is an arithmetic number, because the mean of its divisors is an integer number (14282790).

Almost surely, 2^121613432 is an apocalyptic number.

It is an amenable number.

121613432 is a deficient number, since it is larger than the sum of its proper divisors (106911208).

121613432 is a wasteful number, since it uses less digits than its factorization.

121613432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33302 (or 33298 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 121613432 is about 11027.8480221664. The cubic root of 121613432 is about 495.4431728134.

Adding to 121613432 its reverse (234316121), we get a palindrome (355929553).

The spelling of 121613432 in words is "one hundred twenty-one million, six hundred thirteen thousand, four hundred thirty-two".