102704387 has 4 divisors (see below), whose sum is σ = 102726600. Its totient is φ = 102682176.

The previous prime is 102704369. The next prime is 102704389. The reversal of 102704387 is 783407201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102704387 - 2⁶ = 102704323 is a prime.

It is a super-2 number, since 2×102704387² = 21096382218091538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102704389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262 + ... + 14387.

It is an arithmetic number, because the mean of its divisors is an integer number (25681650).

Almost surely, 2^102704387 is an apocalyptic number.

102704387 is a deficient number, since it is larger than the sum of its proper divisors (22213).

102704387 is an equidigital number, since it uses as much as digits as its factorization.

102704387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22212.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 102704387 is about 10134.3172932369. The cubic root of 102704387 is about 468.3059384045.

The spelling of 102704387 in words is "one hundred two million, seven hundred four thousand, three hundred eighty-seven".