114791981 has 4 divisors (see below), whose sum is σ = 114886464. Its totient is φ = 114697500.

The previous prime is 114791953. The next prime is 114792017. The reversal of 114791981 is 189197411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 114791981 - 2⁶ = 114791917 is a prime.

It is a super-2 number, since 2×114791981² = 26354397803808722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (114791951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45395 + ... + 47856.

It is an arithmetic number, because the mean of its divisors is an integer number (28721616).

Almost surely, 2^114791981 is an apocalyptic number.

It is an amenable number.

114791981 is a deficient number, since it is larger than the sum of its proper divisors (94483).

114791981 is an equidigital number, since it uses as much as digits as its factorization.

114791981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94482.

The product of its digits is 18144, while the sum is 41.

The square root of 114791981 is about 10714.1019689006. The cubic root of 114791981 is about 486.0010231594.

The spelling of 114791981 in words is "one hundred fourteen million, seven hundred ninety-one thousand, nine hundred eighty-one".