1245026064 has 40 divisors (see below), whose sum is σ = 3356160192. Its totient is φ = 396964480.

The previous prime is 1245026033. The next prime is 1245026071. The reversal of 1245026064 is 4606205421.

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, 562767 + ... + 564974.

Almost surely, 2^1245026064 is an apocalyptic number.

It is an amenable number.

1245026064 is an abundant number, since it is smaller than the sum of its proper divisors (2111134128).

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

1245026064 is a wasteful number, since it uses less digits than its factorization.

1245026064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127775 (or 1127769 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1245026064 is about 35284.9268668648. The cubic root of 1245026064 is about 1075.7866429739.

The spelling of 1245026064 in words is "one billion, two hundred forty-five million, twenty-six thousand, sixty-four".