102979867 has 8 divisors (see below), whose sum is σ = 110707200. Its totient is φ = 95483304.

The previous prime is 102979847. The next prime is 102979909. The reversal of 102979867 is 768979201.

It is a happy number.

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-102979867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102979867.

It is not an unprimeable number, because it can be changed into a prime (102979847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56767 + ... + 58552.

It is an arithmetic number, because the mean of its divisors is an integer number (13838400).

Almost surely, 2^102979867 is an apocalyptic number.

102979867 is a deficient number, since it is larger than the sum of its proper divisors (7727333).

102979867 is a wasteful number, since it uses less digits than its factorization.

102979867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115385.

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 102979867 is about 10147.8996348998. The cubic root of 102979867 is about 468.7242708959.

It can be divided in two parts, 10297 and 9867, that added together give a square (20164 = 142²).

The spelling of 102979867 in words is "one hundred two million, nine hundred seventy-nine thousand, eight hundred sixty-seven".