114537721 has 4 divisors (see below), whose sum is σ = 121275252. Its totient is φ = 107800192.

The previous prime is 114537691. The next prime is 114537739. The reversal of 114537721 is 127735411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 127735411 = 739 ⋅172849.

It can be written as a sum of positive squares in 2 ways, for example, as 102738496 + 11799225 = 10136^2 + 3435^2 .

It is a cyclic number.

It is not a de Polignac number, because 114537721 - 2⁹ = 114537209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (114537121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3368740 + ... + 3368773.

It is an arithmetic number, because the mean of its divisors is an integer number (30318813).

Almost surely, 2^114537721 is an apocalyptic number.

It is an amenable number.

114537721 is a deficient number, since it is larger than the sum of its proper divisors (6737531).

114537721 is an equidigital number, since it uses as much as digits as its factorization.

114537721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737530.

The product of its digits is 5880, while the sum is 31.

The square root of 114537721 is about 10702.2297209507. The cubic root of 114537721 is about 485.6419331304.

The spelling of 114537721 in words is "one hundred fourteen million, five hundred thirty-seven thousand, seven hundred twenty-one".