100947130 has 8 divisors (see below), whose sum is σ = 181704852. Its totient is φ = 40378848.

The previous prime is 100947113. The next prime is 100947149. The reversal of 100947130 is 31749001.

It can be written as a sum of positive squares in 2 ways, for example, as 100340289 + 606841 = 10017^2 + 779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 100947095 and 100947104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5047347 + ... + 5047366.

Almost surely, 2^100947130 is an apocalyptic number.

100947130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100947130 is a deficient number, since it is larger than the sum of its proper divisors (80757722).

100947130 is a wasteful number, since it uses less digits than its factorization.

100947130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10094720.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 100947130 is about 10047.2448959901. The cubic root of 100947130 is about 465.6196771609.

The spelling of 100947130 in words is "one hundred million, nine hundred forty-seven thousand, one hundred thirty".