1245568900 has 36 divisors (see below), whose sum is σ = 2753894052. Its totient is φ = 488824960.

The previous prime is 1245568867. The next prime is 1245568931. The reversal of 1245568900 is 98655421.

It can be written as a sum of positive squares in 6 ways, for example, as 12716356 + 1232852544 = 3566^2 + 35112^2 .

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 11 ways as a sum of consecutive naturals, for example, 112207 + ... + 122806.

It is an arithmetic number, because the mean of its divisors is an integer number (76497057).

Almost surely, 2^1245568900 is an apocalyptic number.

1245568900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245568900 is an abundant number, since it is smaller than the sum of its proper divisors (1508325152).

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

1245568900 is a wasteful number, since it uses less digits than its factorization.

1245568900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235080 (or 235073 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 1245568900 is about 35292.6182083449. The cubic root of 1245568900 is about 1075.9429692506.

The spelling of 1245568900 in words is "one billion, two hundred forty-five million, five hundred sixty-eight thousand, nine hundred".