1245966964 has 24 divisors (see below), whose sum is σ = 2379607776. Its totient is φ = 566124000.

The previous prime is 1245966961. The next prime is 1245966979. The reversal of 1245966964 is 4696695421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245966961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164419 + ... + 171829.

It is an arithmetic number, because the mean of its divisors is an integer number (99150324).

Almost surely, 2^1245966964 is an apocalyptic number.

It is an amenable number.

1245966964 is a deficient number, since it is larger than the sum of its proper divisors (1133640812).

1245966964 is a wasteful number, since it uses less digits than its factorization.

1245966964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11247 (or 11245 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 52.

The square root of 1245966964 is about 35298.2572374331. The cubic root of 1245966964 is about 1076.0575751266.

The spelling of 1245966964 in words is "one billion, two hundred forty-five million, nine hundred sixty-six thousand, nine hundred sixty-four".