1273679046 has 64 divisors (see below), whose sum is σ = 2915481600. Its totient is φ = 411866208.

The previous prime is 1273679023. The next prime is 1273679087. The reversal of 1273679046 is 6409763721.

It is a junction number, because it is equal to n+sod(n) for n = 1273678992 and 1273679010.

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 31 ways as a sum of consecutive naturals, for example, 884395 + ... + 885833.

It is an arithmetic number, because the mean of its divisors is an integer number (45554400).

Almost surely, 2^1273679046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1273679046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1457740800).

1273679046 is an abundant number, since it is smaller than the sum of its proper divisors (1641802554).

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

1273679046 is a wasteful number, since it uses less digits than its factorization.

1273679046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930 (or 1924 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 1273679046 is about 35688.6402935164. The cubic root of 1273679046 is about 1083.9768352189.

The spelling of 1273679046 in words is "one billion, two hundred seventy-three million, six hundred seventy-nine thousand, forty-six".