1256900060 has 24 divisors (see below), whose sum is σ = 2842528416. Its totient is φ = 464086080.

The previous prime is 1256900023. The next prime is 1256900087. The reversal of 1256900060 is 600096521.

It is a junction number, because it is equal to n+sod(n) for n = 1256899996 and 1256900032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2416856 + ... + 2417375.

It is an arithmetic number, because the mean of its divisors is an integer number (118438684).

Almost surely, 2^1256900060 is an apocalyptic number.

1256900060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1256900060 is an abundant number, since it is smaller than the sum of its proper divisors (1585628356).

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

1256900060 is a wasteful number, since it uses less digits than its factorization.

1256900060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834253 (or 4834251 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1256900060 is about 35452.7863502997. The cubic root of 1256900060 is about 1079.1958062193.

Adding to 1256900060 its reverse (600096521), we get a palindrome (1856996581).

The spelling of 1256900060 in words is "one billion, two hundred fifty-six million, nine hundred thousand, sixty".