102312254 has 16 divisors (see below), whose sum is σ = 170259840. Its totient is φ = 45716760.

The previous prime is 102312253. The next prime is 102312281. The reversal of 102312254 is 452213201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102312251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38114 + ... + 40709.

It is an arithmetic number, because the mean of its divisors is an integer number (10641240).

Almost surely, 2^102312254 is an apocalyptic number.

102312254 is a deficient number, since it is larger than the sum of its proper divisors (67947586).

102312254 is a wasteful number, since it uses less digits than its factorization.

102312254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78895.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 102312254 is about 10114.9520018634. The cubic root of 102312254 is about 467.7091692703.

Adding to 102312254 its reverse (452213201), we get a palindrome (554525455).

The spelling of 102312254 in words is "one hundred two million, three hundred twelve thousand, two hundred fifty-four".