1273743425 has 12 divisors (see below), whose sum is σ = 1585742256. Its totient is φ = 1014930000.

The previous prime is 1273743403. The next prime is 1273743431. The reversal of 1273743425 is 5243473721.

It is not a de Polignac number, because 1273743425 - 2¹² = 1273739329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95219 + ... + 107768.

It is an arithmetic number, because the mean of its divisors is an integer number (132145188).

Almost surely, 2^1273743425 is an apocalyptic number.

It is an amenable number.

1273743425 is a deficient number, since it is larger than the sum of its proper divisors (311998831).

1273743425 is a wasteful number, since it uses less digits than its factorization.

1273743425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203248 (or 203243 counting only the distinct ones).

The product of its digits is 141120, while the sum is 38.

The square root of 1273743425 is about 35689.5422357867. The cubic root of 1273743425 is about 1083.9950983675.

The spelling of 1273743425 in words is "one billion, two hundred seventy-three million, seven hundred forty-three thousand, four hundred twenty-five".