1256352034 has 16 divisors (see below), whose sum is σ = 2156112000. Its totient is φ = 537845184.

The previous prime is 1256352011. The next prime is 1256352043. The reversal of 1256352034 is 4302536521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1256351987 and 1256352005.

It is an unprimeable number.

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, 35959 + ... + 61690.

It is an arithmetic number, because the mean of its divisors is an integer number (134757000).

Almost surely, 2^1256352034 is an apocalyptic number.

1256352034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1256352034 is a deficient number, since it is larger than the sum of its proper divisors (899759966).

1256352034 is an equidigital number, since it uses as much as digits as its factorization.

1256352034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98577.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 1256352034 is about 35445.0565523600. The cubic root of 1256352034 is about 1079.0389352642.

Adding to 1256352034 its reverse (4302536521), we get a palindrome (5558888555).

The spelling of 1256352034 in words is "one billion, two hundred fifty-six million, three hundred fifty-two thousand, thirty-four".