1273413016 has 32 divisors (see below), whose sum is σ = 2596436640. Its totient is φ = 583054848.

The previous prime is 1273413013. The next prime is 1273413017. The reversal of 1273413016 is 6103143721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273413013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121500 + ... + 131563.

It is an arithmetic number, because the mean of its divisors is an integer number (81138645).

Almost surely, 2^1273413016 is an apocalyptic number.

It is an amenable number.

1273413016 is an abundant number, since it is smaller than the sum of its proper divisors (1323023624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1273413016 is a wasteful number, since it uses less digits than its factorization.

1273413016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253123 (or 253119 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1273413016 is about 35684.9130025561. The cubic root of 1273413016 is about 1083.9013608316.

Adding to 1273413016 its reverse (6103143721), we get a palindrome (7376556737).

It can be divided in two parts, 127 and 3413016, that added together give a palindrome (3413143).

The spelling of 1273413016 in words is "one billion, two hundred seventy-three million, four hundred thirteen thousand, sixteen".