102400259 has 8 divisors (see below), whose sum is σ = 110355840. Its totient is φ = 94455936.

The previous prime is 102400229. The next prime is 102400271. The reversal of 102400259 is 952004201.

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-102400259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102400229) 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, 33899 + ... + 36795.

It is an arithmetic number, because the mean of its divisors is an integer number (13794480).

Almost surely, 2^102400259 is an apocalyptic number.

102400259 is a deficient number, since it is larger than the sum of its proper divisors (7955581).

102400259 is a wasteful number, since it uses less digits than its factorization.

102400259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 102400259 is about 10119.3013098731. The cubic root of 102400259 is about 467.8432325515.

The spelling of 102400259 in words is "one hundred two million, four hundred thousand, two hundred fifty-nine".