102075479 has 12 divisors (see below), whose sum is σ = 112482888. Its totient is φ = 92561040.

The previous prime is 102075473. The next prime is 102075551. The reversal of 102075479 is 974570201.

It is not a de Polignac number, because 102075479 - 2⁸ = 102075223 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 (102075473) 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 11 ways as a sum of consecutive naturals, for example, 62477 + ... + 64089.

It is an arithmetic number, because the mean of its divisors is an integer number (9373574).

Almost surely, 2^102075479 is an apocalyptic number.

102075479 is a deficient number, since it is larger than the sum of its proper divisors (10407409).

102075479 is a wasteful number, since it uses less digits than its factorization.

102075479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158 (or 2147 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 102075479 is about 10103.2410146448. The cubic root of 102075479 is about 467.3480936678.

The spelling of 102075479 in words is "one hundred two million, seventy-five thousand, four hundred seventy-nine".