114957781 has 4 divisors (see below), whose sum is σ = 114979392. Its totient is φ = 114936172.

The previous prime is 114957763. The next prime is 114957793. The reversal of 114957781 is 187759411.

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 114957781 - 2²⁵ = 81403349 is a prime.

It is a super-2 number, since 2×114957781² = 26430582824887922, 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 (114957721) 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, 3396 + ... + 15538.

It is an arithmetic number, because the mean of its divisors is an integer number (28744848).

Almost surely, 2^114957781 is an apocalyptic number.

It is an amenable number.

114957781 is a deficient number, since it is larger than the sum of its proper divisors (21611).

114957781 is an equidigital number, since it uses as much as digits as its factorization.

114957781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21610.

The product of its digits is 70560, while the sum is 43.

The square root of 114957781 is about 10721.8366430384. The cubic root of 114957781 is about 486.2348960753.

The spelling of 114957781 in words is "one hundred fourteen million, nine hundred fifty-seven thousand, seven hundred eighty-one".