1263966002 has 16 divisors (see below), whose sum is σ = 2045904000. Its totient is φ = 582193872.

The previous prime is 1263966001. The next prime is 1263966047. The reversal of 1263966002 is 2006693621.

It is a super-2 number, since 2×1263966002² = 3195220108423728008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1263966001) 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, 35738 + ... + 61685.

It is an arithmetic number, because the mean of its divisors is an integer number (127869000).

Almost surely, 2^1263966002 is an apocalyptic number.

1263966002 is a deficient number, since it is larger than the sum of its proper divisors (781937998).

1263966002 is a wasteful number, since it uses less digits than its factorization.

1263966002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97937.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 1263966002 is about 35552.2995318165. The cubic root of 1263966002 is about 1081.2143411141.

The spelling of 1263966002 in words is "one billion, two hundred sixty-three million, nine hundred sixty-six thousand, two".