1371048256 has 14 divisors (see below), whose sum is σ = 2720674010. Its totient is φ = 685524096.

The previous prime is 1371048247. The next prime is 1371048281. The reversal of 1371048256 is 6528401731.

It can be written as a sum of positive squares in only one way, i.e., 1115560000 + 255488256 = 33400^2 + 15984^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 10711251 + ... + 10711378.

Almost surely, 2^1371048256 is an apocalyptic number.

1371048256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1371048256 is a deficient number, since it is larger than the sum of its proper divisors (1349625754).

1371048256 is an equidigital number, since it uses as much as digits as its factorization.

1371048256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21422641 (or 21422631 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1371048256 is about 37027.6687897037. The cubic root of 1371048256 is about 1110.9237382648.

Adding to 1371048256 its reverse (6528401731), we get a palindrome (7899449987).

The spelling of 1371048256 in words is "one billion, three hundred seventy-one million, forty-eight thousand, two hundred fifty-six".