1013102001 has 12 divisors (see below), whose sum is σ = 1477047312. Its totient is φ = 669088536.

The previous prime is 1013101997. The next prime is 1013102033. The reversal of 1013102001 is 1002013101.

It is not a de Polignac number, because 1013102001 - 2² = 1013101997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1013102071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 525051 + ... + 526976.

It is an arithmetic number, because the mean of its divisors is an integer number (123087276).

Almost surely, 2^1013102001 is an apocalyptic number.

It is an amenable number.

1013102001 is a deficient number, since it is larger than the sum of its proper divisors (463945311).

1013102001 is a wasteful number, since it uses less digits than its factorization.

1013102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052140 (or 1052137 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1013102001 is about 31829.2632808238. The cubic root of 1013102001 is about 1004.3483976968.

Adding to 1013102001 its reverse (1002013101), we get a palindrome (2015115102).

Subtracting from 1013102001 its reverse (1002013101), we obtain a square (11088900 = 3330²).

The spelling of 1013102001 in words is "one billion, thirteen million, one hundred two thousand, one".