102908743 has 8 divisors (see below), whose sum is σ = 117759488. Its totient is φ = 88095384.

The previous prime is 102908737. The next prime is 102908759. The reversal of 102908743 is 347809201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102908743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102908699 and 102908708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102908723) 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 7 ways as a sum of consecutive naturals, for example, 3171 + ... + 14692.

It is an arithmetic number, because the mean of its divisors is an integer number (14719936).

Almost surely, 2^102908743 is an apocalyptic number.

102908743 is a deficient number, since it is larger than the sum of its proper divisors (14850745).

102908743 is an equidigital number, since it uses as much as digits as its factorization.

102908743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18693.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 102908743 is about 10144.3946591209. The cubic root of 102908743 is about 468.6163364555.

The spelling of 102908743 in words is "one hundred two million, nine hundred eight thousand, seven hundred forty-three".