100871740 has 12 divisors (see below), whose sum is σ = 211830696. Its totient is φ = 40348688.

The previous prime is 100871699. The next prime is 100871747. The reversal of 100871740 is 47178001.

It is a junction number, because it is equal to n+sod(n) for n = 100871699 and 100871708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100871747) 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, 2521774 + ... + 2521813.

It is an arithmetic number, because the mean of its divisors is an integer number (17652558).

Almost surely, 2^100871740 is an apocalyptic number.

100871740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100871740 is an abundant number, since it is smaller than the sum of its proper divisors (110958956).

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

100871740 is a wasteful number, since it uses less digits than its factorization.

100871740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043596 (or 5043594 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 100871740 is about 10043.4924204681. The cubic root of 100871740 is about 465.5037359095.

The spelling of 100871740 in words is "one hundred million, eight hundred seventy-one thousand, seven hundred forty".