101372540 has 12 divisors (see below), whose sum is σ = 212882376. Its totient is φ = 40549008.

The previous prime is 101372539. The next prime is 101372591. The reversal of 101372540 is 45273101.

It is a congruent number.

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, 2534294 + ... + 2534333.

It is an arithmetic number, because the mean of its divisors is an integer number (17740198).

Almost surely, 2^101372540 is an apocalyptic number.

101372540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101372540 is an abundant number, since it is smaller than the sum of its proper divisors (111509836).

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

101372540 is a wasteful number, since it uses less digits than its factorization.

101372540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5068636 (or 5068634 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 101372540 is about 10068.3931190632. The cubic root of 101372540 is about 466.2728298519.

The spelling of 101372540 in words is "one hundred one million, three hundred seventy-two thousand, five hundred forty".