1001285163 has 6 divisors (see below), whose sum is σ = 1446300804. Its totient is φ = 667523436.

The previous prime is 1001285137. The next prime is 1001285167. The reversal of 1001285163 is 3615821001.

It is not a de Polignac number, because 1001285163 - 2⁶ = 1001285099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001285167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55626945 + ... + 55626962.

It is an arithmetic number, because the mean of its divisors is an integer number (241050134).

Almost surely, 2^1001285163 is an apocalyptic number.

1001285163 is a deficient number, since it is larger than the sum of its proper divisors (445015641).

1001285163 is a wasteful number, since it uses less digits than its factorization.

1001285163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111253913 (or 111253910 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1001285163 is about 31643.0902884026. The cubic root of 1001285163 is about 1000.4282042816.

The spelling of 1001285163 in words is "one billion, one million, two hundred eighty-five thousand, one hundred sixty-three".