100501240 has 64 divisors (see below), whose sum is σ = 267364800. Its totient is φ = 33266688.

The previous prime is 100501231. The next prime is 100501253. The reversal of 100501240 is 42105001.

It is a self number, because there is not a number n which added to its sum of digits gives 100501240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1932 + ... + 14308.

It is an arithmetic number, because the mean of its divisors is an integer number (4177575).

Almost surely, 2^100501240 is an apocalyptic number.

100501240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100501240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133682400).

100501240 is an abundant number, since it is smaller than the sum of its proper divisors (166863560).

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

100501240 is a wasteful number, since it uses less digits than its factorization.

100501240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12424 (or 12420 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 100501240 is about 10025.0306732698. The cubic root of 100501240 is about 464.9331078865.

Adding to 100501240 its reverse (42105001), we get a palindrome (142606241).

The spelling of 100501240 in words is "one hundred million, five hundred one thousand, two hundred forty".