102368405 has 8 divisors (see below), whose sum is σ = 127078200. Its totient is φ = 79070656.

The previous prime is 102368393. The next prime is 102368419. The reversal of 102368405 is 504863201.

It can be written as a sum of positive squares in 4 ways, for example, as 32194276 + 70174129 = 5674^2 + 8377^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 102368405 - 2⁴ = 102368389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352850 + ... + 353139.

It is an arithmetic number, because the mean of its divisors is an integer number (15884775).

Almost surely, 2^102368405 is an apocalyptic number.

It is an amenable number.

102368405 is a deficient number, since it is larger than the sum of its proper divisors (24709795).

102368405 is an equidigital number, since it uses as much as digits as its factorization.

102368405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706023.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 102368405 is about 10117.7272645590. The cubic root of 102368405 is about 467.7947163205.

The spelling of 102368405 in words is "one hundred two million, three hundred sixty-eight thousand, four hundred five".