1297280242 has 8 divisors (see below), whose sum is σ = 1946249856. Its totient is φ = 648530292.

The previous prime is 1297280227. The next prime is 1297280249. The reversal of 1297280242 is 2420827921.

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

It is not an unprimeable number, because it can be changed into a prime (1297280249) 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 3 ways as a sum of consecutive naturals, for example, 39258 + ... + 64309.

It is an arithmetic number, because the mean of its divisors is an integer number (243281232).

Almost surely, 2^1297280242 is an apocalyptic number.

1297280242 is a deficient number, since it is larger than the sum of its proper divisors (648969614).

1297280242 is a wasteful number, since it uses less digits than its factorization.

1297280242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109832.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 1297280242 is about 36017.7767498217. The cubic root of 1297280242 is about 1090.6312428134.

The spelling of 1297280242 in words is "one billion, two hundred ninety-seven million, two hundred eighty thousand, two hundred forty-two".