101163261 has 16 divisors (see below), whose sum is σ = 139534848. Its totient is φ = 65126400.

The previous prime is 101163221. The next prime is 101163289. The reversal of 101163261 is 162361101.

It is not a de Polignac number, because 101163261 - 2¹⁸ = 100901117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101163211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58765 + ... + 60461.

It is an arithmetic number, because the mean of its divisors is an integer number (8720928).

Almost surely, 2^101163261 is an apocalyptic number.

It is an amenable number.

101163261 is a deficient number, since it is larger than the sum of its proper divisors (38371587).

101163261 is a wasteful number, since it uses less digits than its factorization.

101163261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 101163261 is about 10057.9948796964. The cubic root of 101163261 is about 465.9517424409.

The spelling of 101163261 in words is "one hundred one million, one hundred sixty-three thousand, two hundred sixty-one".