1273073984 has 56 divisors (see below), whose sum is σ = 3109252608. Its totient is φ = 503631360.

The previous prime is 1273073983. The next prime is 1273074013. The reversal of 1273073984 is 4893703721.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273073981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103472 + ... + 115119.

It is an arithmetic number, because the mean of its divisors is an integer number (55522368).

Almost surely, 2^1273073984 is an apocalyptic number.

1273073984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1273073984 is an abundant number, since it is smaller than the sum of its proper divisors (1836178624).

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

1273073984 is a wasteful number, since it uses less digits than its factorization.

1273073984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218623 (or 218613 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 1273073984 is about 35680.1623314693. The cubic root of 1273073984 is about 1083.8051600812.

The spelling of 1273073984 in words is "one billion, two hundred seventy-three million, seventy-three thousand, nine hundred eighty-four".