1273445313048 has 64 divisors (see below), whose sum is σ = 3537711304800. Its totient is φ = 424438185600.

The previous prime is 1273445313043. The next prime is 1273445313067. The reversal of 1273445313048 is 8403135443721.

It is a happy number.

1273445313048 is a `hidden beast` number, since 1 + 2 + 7 + 3 + 44 + 531 + 30 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1273445312994 and 1273445313012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273445313043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1840890 + ... + 2436342.

Almost surely, 2^{1273445313048} is an apocalyptic number.

1273445313048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1273445313048 is an abundant number, since it is smaller than the sum of its proper divisors (2264265991752).

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

1273445313048 is a wasteful number, since it uses less digits than its factorization.

1273445313048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605369 (or 605359 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 1273445313048 in words is "one trillion, two hundred seventy-three billion, four hundred forty-five million, three hundred thirteen thousand, forty-eight".