1273387130 has 16 divisors (see below), whose sum is σ = 2324381184. Its totient is φ = 502180560.

The previous prime is 1273387127. The next prime is 1273387151. The reversal of 1273387130 is 317833721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896042 + ... + 897461.

It is an arithmetic number, because the mean of its divisors is an integer number (145273824).

Almost surely, 2^1273387130 is an apocalyptic number.

1273387130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1273387130 is a deficient number, since it is larger than the sum of its proper divisors (1050994054).

1273387130 is a wasteful number, since it uses less digits than its factorization.

1273387130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793581.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 1273387130 is about 35684.5502984135. The cubic root of 1273387130 is about 1083.8940162491.

The spelling of 1273387130 in words is "one billion, two hundred seventy-three million, three hundred eighty-seven thousand, one hundred thirty".