1273242497 has 8 divisors (see below), whose sum is σ = 1340597760. Its totient is φ = 1205921520.

The previous prime is 1273242449. The next prime is 1273242499. The reversal of 1273242497 is 7942423721.

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 1273242497 - 2⁶ = 1273242433 is a prime.

It is a super-3 number, since 3×1273242497³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1273242499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109472 + ... + 120542.

It is an arithmetic number, because the mean of its divisors is an integer number (167574720).

Almost surely, 2^1273242497 is an apocalyptic number.

It is an amenable number.

1273242497 is a deficient number, since it is larger than the sum of its proper divisors (67355263).

1273242497 is a wasteful number, since it uses less digits than its factorization.

1273242497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17143.

The product of its digits is 169344, while the sum is 41.

The square root of 1273242497 is about 35682.5236915776. The cubic root of 1273242497 is about 1083.8529779885.

The spelling of 1273242497 in words is "one billion, two hundred seventy-three million, two hundred forty-two thousand, four hundred ninety-seven".