102479487 has 8 divisors (see below), whose sum is σ = 149061120. Its totient is φ = 62108760.

The previous prime is 102479473. The next prime is 102479497. The reversal of 102479487 is 784974201.

It is a happy number.

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

It is not a de Polignac number, because 102479487 - 2⁴ = 102479471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102479437) 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, 1552687 + ... + 1552752.

It is an arithmetic number, because the mean of its divisors is an integer number (18632640).

Almost surely, 2^102479487 is an apocalyptic number.

102479487 is a deficient number, since it is larger than the sum of its proper divisors (46581633).

102479487 is a wasteful number, since it uses less digits than its factorization.

102479487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105453.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 102479487 is about 10123.2152501071. The cubic root of 102479487 is about 467.9638596170.

The spelling of 102479487 in words is "one hundred two million, four hundred seventy-nine thousand, four hundred eighty-seven".