88131261 has 8 divisors (see below), whose sum is σ = 121560480. Its totient is φ = 56728112.

The previous prime is 88131257. The next prime is 88131283. The reversal of 88131261 is 16213188.

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 88131261 - 2² = 88131257 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 (88131061) 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, 506415 + ... + 506588.

It is an arithmetic number, because the mean of its divisors is an integer number (15195060).

Almost surely, 2^88131261 is an apocalyptic number.

It is an amenable number.

88131261 is a deficient number, since it is larger than the sum of its proper divisors (33429219).

88131261 is a wasteful number, since it uses less digits than its factorization.

88131261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013035.

The product of its digits is 2304, while the sum is 30.

The square root of 88131261 is about 9387.8251474982. The cubic root of 88131261 is about 445.0170611647.

The spelling of 88131261 in words is "eighty-eight million, one hundred thirty-one thousand, two hundred sixty-one".