1273680953 has 8 divisors (see below), whose sum is σ = 1348918272. Its totient is φ = 1198478656.

The previous prime is 1273680937. The next prime is 1273680971. The reversal of 1273680953 is 3590863721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1273680953 - 2⁴ = 1273680937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1273680983) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 122276 + ... + 132282.

It is an arithmetic number, because the mean of its divisors is an integer number (168614784).

Almost surely, 2^1273680953 is an apocalyptic number.

It is an amenable number.

1273680953 is a deficient number, since it is larger than the sum of its proper divisors (75237319).

1273680953 is a wasteful number, since it uses less digits than its factorization.

1273680953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17511.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 1273680953 is about 35688.6670106912. The cubic root of 1273680953 is about 1083.9773762089.

The spelling of 1273680953 in words is "one billion, two hundred seventy-three million, six hundred eighty thousand, nine hundred fifty-three".