1011970863 has 12 divisors (see below), whose sum is σ = 1512140760. Its totient is φ = 651383376.

The previous prime is 1011970853. The next prime is 1011970877. The reversal of 1011970863 is 3680791101.

It is not a de Polignac number, because 1011970863 - 2⁸ = 1011970607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011970823) by changing a digit.

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, 1938381 + ... + 1938902.

It is an arithmetic number, because the mean of its divisors is an integer number (126011730).

Almost surely, 2^1011970863 is an apocalyptic number.

1011970863 is a deficient number, since it is larger than the sum of its proper divisors (500169897).

1011970863 is a wasteful number, since it uses less digits than its factorization.

1011970863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877318 (or 3877315 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1011970863 is about 31811.4894810036. The cubic root of 1011970863 is about 1003.9744703248.

The spelling of 1011970863 in words is "one billion, eleven million, nine hundred seventy thousand, eight hundred sixty-three".