101140256 has 24 divisors (see below), whose sum is σ = 227566080. Its totient is φ = 43345728.

The previous prime is 101140243. The next prime is 101140261. The reversal of 101140256 is 652041101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225536 + ... + 225983.

It is an arithmetic number, because the mean of its divisors is an integer number (9481920).

Almost surely, 2^101140256 is an apocalyptic number.

101140256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

101140256 is an abundant number, since it is smaller than the sum of its proper divisors (126425824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101140256 is an equidigital number, since it uses as much as digits as its factorization.

101140256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451536 (or 451528 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 101140256 is about 10056.8511970696. The cubic root of 101140256 is about 465.9164198927.

Adding to 101140256 its reverse (652041101), we get a palindrome (753181357).

The spelling of 101140256 in words is "one hundred one million, one hundred forty thousand, two hundred fifty-six".