100724043 has 8 divisors (see below), whose sum is σ = 153484288. Its totient is φ = 57556584.

The previous prime is 100723999. The next prime is 100724051. The reversal of 100724043 is 340427001.

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

It is not a de Polignac number, because 100724043 - 2⁹ = 100723531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 4796383 = 100724043 / (1 + 0 + 0 + 7 + 2 + 4 + 0 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100724083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2398171 + ... + 2398212.

It is an arithmetic number, because the mean of its divisors is an integer number (19185536).

Almost surely, 2^100724043 is an apocalyptic number.

100724043 is a deficient number, since it is larger than the sum of its proper divisors (52760245).

100724043 is an equidigital number, since it uses as much as digits as its factorization.

100724043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796393.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 100724043 is about 10036.1368563805. The cubic root of 100724043 is about 465.2764271541.

The spelling of 100724043 in words is "one hundred million, seven hundred twenty-four thousand, forty-three".