102122256 has 40 divisors (see below), whose sum is σ = 264179520. Its totient is φ = 33993856.

The previous prime is 102122243. The next prime is 102122299. The reversal of 102122256 is 652221201.

It is a happy 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, 62506 + ... + 64118.

It is an arithmetic number, because the mean of its divisors is an integer number (6604488).

Almost surely, 2^102122256 is an apocalyptic number.

102122256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102122256 is an abundant number, since it is smaller than the sum of its proper divisors (162057264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102122256 is a wasteful number, since it uses less digits than its factorization.

102122256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943 (or 2937 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 102122256 is about 10105.5556997129. Note that the first 3 decimals coincide. The cubic root of 102122256 is about 467.4194715785.

Adding to 102122256 its reverse (652221201), we get a palindrome (754343457).

It can be divided in two parts, 102122 and 256, that added together give a triangular number (102378 = T₄₅₂).

The spelling of 102122256 in words is "one hundred two million, one hundred twenty-two thousand, two hundred fifty-six".