1013201001 has 16 divisors (see below), whose sum is σ = 1523444800. Its totient is φ = 665384544.

The previous prime is 1013200967. The next prime is 1013201017. The reversal of 1013201001 is 1001023101.

It is not a de Polignac number, because 1013201001 - 2¹⁴ = 1013184617 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013203001) 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, 278236 + ... + 281853.

It is an arithmetic number, because the mean of its divisors is an integer number (95215300).

Almost surely, 2^1013201001 is an apocalyptic number.

It is an amenable number.

1013201001 is a deficient number, since it is larger than the sum of its proper divisors (510243799).

1013201001 is an equidigital number, since it uses as much as digits as its factorization.

1013201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560165 (or 560159 counting only the distinct ones).

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

The square root of 1013201001 is about 31830.8184154916. The cubic root of 1013201001 is about 1004.3811114982.

Adding to 1013201001 its reverse (1001023101), we get a palindrome (2014224102).

The spelling of 1013201001 in words is "one billion, thirteen million, two hundred one thousand, one".