1273242498 has 16 divisors (see below), whose sum is σ = 2777983776. Its totient is φ = 385831040.

The previous prime is 1273242449. The next prime is 1273242499. The reversal of 1273242498 is 8942423721.

It is a super-2 number, since 2×1273242498² = 3242292917426560008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 9645711 + ... + 9645842.

It is an arithmetic number, because the mean of its divisors is an integer number (173623986).

Almost surely, 2^1273242498 is an apocalyptic number.

1273242498 is an abundant number, since it is smaller than the sum of its proper divisors (1504741278).

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

1273242498 is a wasteful number, since it uses less digits than its factorization.

1273242498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19291569.

The product of its digits is 193536, while the sum is 42.

The square root of 1273242498 is about 35682.5237055901. The cubic root of 1273242498 is about 1083.8529782722.

The spelling of 1273242498 in words is "one billion, two hundred seventy-three million, two hundred forty-two thousand, four hundred ninety-eight".