10120256 has 14 divisors (see below), whose sum is σ = 20082510. Its totient is φ = 5060096.

The previous prime is 10120247. The next prime is 10120259. The reversal of 10120256 is 65202101.

It can be written as a sum of positive squares in only one way, i.e., 7929856 + 2190400 = 2816^2 + 1480^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79001 + ... + 79128.

It is an arithmetic number, because the mean of its divisors is an integer number (1434465).

Almost surely, 2^10120256 is an apocalyptic number.

10120256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10120256 is a deficient number, since it is larger than the sum of its proper divisors (9962254).

10120256 is an equidigital number, since it uses as much as digits as its factorization.

10120256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158141 (or 158131 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 10120256 is about 3181.2349803182. The cubic root of 10120256 is about 216.3036424556.

Adding to 10120256 its reverse (65202101), we get a palindrome (75322357).

The spelling of 10120256 in words is "ten million, one hundred twenty thousand, two hundred fifty-six".