115620261 has 8 divisors (see below), whose sum is σ = 154235424. Its totient is φ = 77042640.

The previous prime is 115620259. The next prime is 115620277. The reversal of 115620261 is 162026511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115620261 - 2¹ = 115620259 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115620221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170 + ... + 15251.

It is an arithmetic number, because the mean of its divisors is an integer number (19279428).

Almost surely, 2^115620261 is an apocalyptic number.

It is an amenable number.

115620261 is a deficient number, since it is larger than the sum of its proper divisors (38615163).

115620261 is a wasteful number, since it uses less digits than its factorization.

115620261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18771.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 115620261 is about 10752.6862225213. The cubic root of 115620261 is about 487.1671342432.

Adding to 115620261 its reverse (162026511), we get a palindrome (277646772).

The spelling of 115620261 in words is "one hundred fifteen million, six hundred twenty thousand, two hundred sixty-one".