115947441 has 12 divisors (see below), whose sum is σ = 167872068. Its totient is φ = 77117184.

The previous prime is 115947427. The next prime is 115947451. The reversal of 115947441 is 144749511.

It can be written as a sum of positive squares in 2 ways, for example, as 68956416 + 46991025 = 8304^2 + 6855^2 .

It is a de Polignac number, because none of the positive numbers 2^k-115947441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115947396 and 115947405.

It is not an unprimeable number, because it can be changed into a prime (115947421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10980 + ... + 18773.

It is an arithmetic number, because the mean of its divisors is an integer number (13989339).

Almost surely, 2^115947441 is an apocalyptic number.

It is an amenable number.

115947441 is a deficient number, since it is larger than the sum of its proper divisors (51924627).

115947441 is a wasteful number, since it uses less digits than its factorization.

115947441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30192 (or 30189 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 115947441 is about 10767.8893474998. The cubic root of 115947441 is about 487.6262268797.

The spelling of 115947441 in words is "one hundred fifteen million, nine hundred forty-seven thousand, four hundred forty-one".