1013727901 has 6 divisors (see below), whose sum is σ = 1076866970. Its totient is φ = 954096576.

The previous prime is 1013727893. The next prime is 1013727917. The reversal of 1013727901 is 1097273101.

1013727901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 629959801 + 383768100 = 25099^2 + 19590^2 .

It is not a de Polignac number, because 1013727901 - 2³ = 1013727893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013727941) 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, 1753566 + ... + 1754143.

Almost surely, 2^1013727901 is an apocalyptic number.

It is an amenable number.

1013727901 is a deficient number, since it is larger than the sum of its proper divisors (63139069).

1013727901 is an equidigital number, since it uses as much as digits as its factorization.

1013727901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507743 (or 3507726 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 1013727901 is about 31839.0939098461. The cubic root of 1013727901 is about 1004.5551857763. Note that the first 3 decimals are identical.

The spelling of 1013727901 in words is "one billion, thirteen million, seven hundred twenty-seven thousand, nine hundred one".