100797239 has 4 divisors (see below), whose sum is σ = 101380056. Its totient is φ = 100214424.

The previous prime is 100797197. The next prime is 100797251. The reversal of 100797239 is 932797001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 932797001 = 19 ⋅49094579.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100797239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100797269) by changing a digit.

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, 291149 + ... + 291494.

It is an arithmetic number, because the mean of its divisors is an integer number (25345014).

Almost surely, 2^100797239 is an apocalyptic number.

100797239 is a deficient number, since it is larger than the sum of its proper divisors (582817).

100797239 is an equidigital number, since it uses as much as digits as its factorization.

100797239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582816.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 100797239 is about 10039.7828163761. The cubic root of 100797239 is about 465.3891050746.

The spelling of 100797239 in words is "one hundred million, seven hundred ninety-seven thousand, two hundred thirty-nine".