116261261 has 8 divisors (see below), whose sum is σ = 121221120. Its totient is φ = 111364848.

The previous prime is 116261237. The next prime is 116261269. The reversal of 116261261 is 162162611.

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

It is a cyclic number.

It is not a de Polignac number, because 116261261 - 2¹⁰ = 116260237 is a prime.

It is a Duffinian number.

116261261 is a modest number, since divided by 261261 gives 116 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 116261261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116261269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12101 + ... + 19466.

It is an arithmetic number, because the mean of its divisors is an integer number (15152640).

Almost surely, 2^116261261 is an apocalyptic number.

It is an amenable number.

116261261 is a deficient number, since it is larger than the sum of its proper divisors (4959859).

116261261 is a wasteful number, since it uses less digits than its factorization.

116261261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31723.

The product of its digits is 864, while the sum is 26.

The square root of 116261261 is about 10782.4515301484. The cubic root of 116261261 is about 488.0657622676.

The spelling of 116261261 in words is "one hundred sixteen million, two hundred sixty-one thousand, two hundred sixty-one".