114981821 has 4 divisors (see below), whose sum is σ = 118690944. Its totient is φ = 111272700.

The previous prime is 114981803. The next prime is 114981827. The reversal of 114981821 is 128189411.

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 114981821 - 2²² = 110787517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (114981827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1854515 + ... + 1854576.

It is an arithmetic number, because the mean of its divisors is an integer number (29672736).

Almost surely, 2^114981821 is an apocalyptic number.

It is an amenable number.

114981821 is a deficient number, since it is larger than the sum of its proper divisors (3709123).

114981821 is an equidigital number, since it uses as much as digits as its factorization.

114981821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3709122.

The product of its digits is 4608, while the sum is 35.

The square root of 114981821 is about 10722.9576610187. The cubic root of 114981821 is about 486.2687875674.

The spelling of 114981821 in words is "one hundred fourteen million, nine hundred eighty-one thousand, eight hundred twenty-one".