102126828839 has 8 divisors (see below), whose sum is σ = 116720554368. Its totient is φ = 87534147960.

The previous prime is 102126828787. The next prime is 102126828841. The reversal of 102126828839 is 938828621201.

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

It is a de Polignac number, because none of the positive numbers 2^k-102126828839 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 (102126828899) 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, 39077 + ... + 453630.

It is an arithmetic number, because the mean of its divisors is an integer number (14590069296).

Almost surely, 2^102126828839 is an apocalyptic number.

102126828839 is a deficient number, since it is larger than the sum of its proper divisors (14593725529).

102126828839 is an equidigital number, since it uses as much as digits as its factorization.

102126828839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522325.

The product of its (nonzero) digits is 663552, while the sum is 50.

The spelling of 102126828839 in words is "one hundred two billion, one hundred twenty-six million, eight hundred twenty-eight thousand, eight hundred thirty-nine".