100251039 has 8 divisors (see below), whose sum is σ = 152763520. Its totient is φ = 57286296.

The previous prime is 100250987. The next prime is 100251059. The reversal of 100251039 is 930152001.

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

It is not a de Polignac number, because 100251039 - 2⁷ = 100250911 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: 4773859 = 100251039 / (1 + 0 + 0 + 2 + 5 + 1 + 0 + 3 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100251059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2386909 + ... + 2386950.

It is an arithmetic number, because the mean of its divisors is an integer number (19095440).

Almost surely, 2^100251039 is an apocalyptic number.

100251039 is a deficient number, since it is larger than the sum of its proper divisors (52512481).

100251039 is an equidigital number, since it uses as much as digits as its factorization.

100251039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773869.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 100251039 is about 10012.5440823000. The cubic root of 100251039 is about 464.5469654029.

The spelling of 100251039 in words is "one hundred million, two hundred fifty-one thousand, thirty-nine".