1245012963 has 16 divisors (see below), whose sum is σ = 1710746016. Its totient is φ = 804798720.

The previous prime is 1245012947. The next prime is 1245012971. The reversal of 1245012963 is 3692105421.

1245012963 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1245012963 - 2⁴ = 1245012947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1245012913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13383 + ... + 51663.

It is an arithmetic number, because the mean of its divisors is an integer number (106921626).

Almost surely, 2^1245012963 is an apocalyptic number.

1245012963 is a deficient number, since it is larger than the sum of its proper divisors (465733053).

1245012963 is a wasteful number, since it uses less digits than its factorization.

1245012963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38614.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1245012963 is about 35284.7412205333. The cubic root of 1245012963 is about 1075.7828695776.

The spelling of 1245012963 in words is "one billion, two hundred forty-five million, twelve thousand, nine hundred sixty-three".