1268124505 has 8 divisors (see below), whose sum is σ = 1601841600. Its totient is φ = 961104816.

The previous prime is 1268124497. The next prime is 1268124521. The reversal of 1268124505 is 5054218621.

It is a happy number.

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

It is not a de Polignac number, because 1268124505 - 2³ = 1268124497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6674245 + ... + 6674434.

It is an arithmetic number, because the mean of its divisors is an integer number (200230200).

Almost surely, 2^1268124505 is an apocalyptic number.

It is an amenable number.

1268124505 is a deficient number, since it is larger than the sum of its proper divisors (333717095).

1268124505 is a wasteful number, since it uses less digits than its factorization.

1268124505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13348703.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 1268124505 is about 35610.7358109882. The cubic root of 1268124505 is about 1082.3987904672.

The spelling of 1268124505 in words is "one billion, two hundred sixty-eight million, one hundred twenty-four thousand, five hundred five".