121432386 has 8 divisors (see below), whose sum is σ = 242864784. Its totient is φ = 40477460.

The previous prime is 121432379. The next prime is 121432393. The reversal of 121432386 is 683234121.

It is an interprime number because it is at equal distance from previous prime (121432379) and next prime (121432393).

It is a sphenic number, since it is the product of 3 distinct primes.

121432386 is an admirable number.

It is a Curzon number.

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, 10119360 + ... + 10119371.

It is an arithmetic number, because the mean of its divisors is an integer number (30358098).

Almost surely, 2^121432386 is an apocalyptic number.

121432386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121432386 is a wasteful number, since it uses less digits than its factorization.

121432386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20238736.

The product of its digits is 6912, while the sum is 30.

The square root of 121432386 is about 11019.6363823858. The cubic root of 121432386 is about 495.1971951797.

The spelling of 121432386 in words is "one hundred twenty-one million, four hundred thirty-two thousand, three hundred eighty-six".