1273868486 has 16 divisors (see below), whose sum is σ = 2140851600. Its totient is φ = 563381280.

The previous prime is 1273868473. The next prime is 1273868489. The reversal of 1273868486 is 6848683721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273868489) by changing a digit.

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, 781661 + ... + 783288.

It is an arithmetic number, because the mean of its divisors is an integer number (133803225).

Almost surely, 2^1273868486 is an apocalyptic number.

1273868486 is a deficient number, since it is larger than the sum of its proper divisors (866983114).

1273868486 is a wasteful number, since it uses less digits than its factorization.

1273868486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564999.

The product of its digits is 3096576, while the sum is 53.

The square root of 1273868486 is about 35691.2942606457. The cubic root of 1273868486 is about 1084.0305741344.

The spelling of 1273868486 in words is "one billion, two hundred seventy-three million, eight hundred sixty-eight thousand, four hundred eighty-six".