101056040 has 16 divisors (see below), whose sum is σ = 227376180. Its totient is φ = 40422400.

The previous prime is 101056031. The next prime is 101056093. The reversal of 101056040 is 40650101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 98763844 + 2292196 = 9938^2 + 1514^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1263161 + ... + 1263240.

Almost surely, 2^101056040 is an apocalyptic number.

101056040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101056040 is an abundant number, since it is smaller than the sum of its proper divisors (126320140).

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

101056040 is a wasteful number, since it uses less digits than its factorization.

101056040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526412 (or 2526408 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 101056040 is about 10052.6633286906. The cubic root of 101056040 is about 465.7870664766.

The spelling of 101056040 in words is "one hundred one million, fifty-six thousand, forty".