101000240 has 40 divisors (see below), whose sum is σ = 256175568. Its totient is φ = 36727040.

The previous prime is 101000239. The next prime is 101000267. The reversal of 101000240 is 42000101.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56507 + ... + 58266.

Almost surely, 2^101000240 is an apocalyptic number.

101000240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101000240 is an abundant number, since it is smaller than the sum of its proper divisors (155175328).

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

101000240 is a wasteful number, since it uses less digits than its factorization.

101000240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114797 (or 114791 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 101000240 is about 10049.8875615601. The cubic root of 101000240 is about 465.7013196521.

Adding to 101000240 its reverse (42000101), we get a palindrome (143000341).

The spelling of 101000240 in words is "one hundred one million, two hundred forty", and thus it is an aban number.