121032381 has 8 divisors (see below), whose sum is σ = 161615520. Its totient is φ = 80568752.

The previous prime is 121032319. The next prime is 121032383. The reversal of 121032381 is 183230121.

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

It is a cyclic number.

It is not a de Polignac number, because 121032381 - 2¹¹ = 121030333 is a prime.

It is a super-2 number, since 2×121032381² = 29297674501058322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121032383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27486 + ... + 31583.

It is an arithmetic number, because the mean of its divisors is an integer number (20201940).

Almost surely, 2^121032381 is an apocalyptic number.

It is an amenable number.

121032381 is a deficient number, since it is larger than the sum of its proper divisors (40583139).

121032381 is an equidigital number, since it uses as much as digits as its factorization.

121032381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59755.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 121032381 is about 11001.4717651776. The cubic root of 121032381 is about 494.6528613973.

The spelling of 121032381 in words is "one hundred twenty-one million, thirty-two thousand, three hundred eighty-one".