101286481 has 4 divisors (see below), whose sum is σ = 101392192. Its totient is φ = 101180772.

The previous prime is 101286469. The next prime is 101286499. The reversal of 101286481 is 184682101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 184682101 = 17 ⋅10863653.

It is a cyclic number.

It is not a de Polignac number, because 101286481 - 2⁹ = 101285969 is a prime.

It is a super-2 number, since 2×101286481² = 20517902466726722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101286401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51405 + ... + 53338.

It is an arithmetic number, because the mean of its divisors is an integer number (25348048).

Almost surely, 2^101286481 is an apocalyptic number.

It is an amenable number.

101286481 is a deficient number, since it is larger than the sum of its proper divisors (105711).

101286481 is an equidigital number, since it uses as much as digits as its factorization.

101286481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105710.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 101286481 is about 10064.1184909559. The cubic root of 101286481 is about 466.1408469240.

The spelling of 101286481 in words is "one hundred one million, two hundred eighty-six thousand, four hundred eighty-one".