101795981 has 24 divisors (see below), whose sum is σ = 121768416. Its totient is φ = 84823200.

The previous prime is 101795963. The next prime is 101796011. The reversal of 101795981 is 189597101.

It is not a de Polignac number, because 101795981 - 2²⁶ = 34687117 is a prime.

It is a super-2 number, since 2×101795981² = 20724843495504722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101795081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331430 + ... + 331736.

It is an arithmetic number, because the mean of its divisors is an integer number (5073684).

Almost surely, 2^101795981 is an apocalyptic number.

It is an amenable number.

101795981 is a deficient number, since it is larger than the sum of its proper divisors (19972435).

101795981 is a wasteful number, since it uses less digits than its factorization.

101795981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 41.

The square root of 101795981 is about 10089.3994370329. The cubic root of 101795981 is about 466.9211473136.

The spelling of 101795981 in words is "one hundred one million, seven hundred ninety-five thousand, nine hundred eighty-one".