1273473204 has 12 divisors (see below), whose sum is σ = 2971437504. Its totient is φ = 424491064.

The previous prime is 1273473191. The next prime is 1273473239. The reversal of 1273473204 is 4023743721.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 53061372 + ... + 53061395.

It is an arithmetic number, because the mean of its divisors is an integer number (247619792).

Almost surely, 2^1273473204 is an apocalyptic number.

It is an amenable number.

1273473204 is an abundant number, since it is smaller than the sum of its proper divisors (1697964300).

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

1273473204 is a wasteful number, since it uses less digits than its factorization.

1273473204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106122774 (or 106122772 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 1273473204 is about 35685.7563181727. The cubic root of 1273473204 is about 1083.9184374665.

The spelling of 1273473204 in words is "one billion, two hundred seventy-three million, four hundred seventy-three thousand, two hundred four".