102400234 has 8 divisors (see below), whose sum is σ = 161684640. Its totient is φ = 48505356.

The previous prime is 102400229. The next prime is 102400271. The reversal of 102400234 is 432004201.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1347334 + ... + 1347409.

It is an arithmetic number, because the mean of its divisors is an integer number (20210580).

Almost surely, 2^102400234 is an apocalyptic number.

102400234 is a deficient number, since it is larger than the sum of its proper divisors (59284406).

102400234 is a wasteful number, since it uses less digits than its factorization.

102400234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694764.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 102400234 is about 10119.3000746099. The cubic root of 102400234 is about 467.8431944784.

Adding to 102400234 its reverse (432004201), we get a palindrome (534404435).

The spelling of 102400234 in words is "one hundred two million, four hundred thousand, two hundred thirty-four".