1288048267 has 12 divisors (see below), whose sum is σ = 1436928808. Its totient is φ = 1153468800.

The previous prime is 1288048261. The next prime is 1288048303. The reversal of 1288048267 is 7628408821.

It is a happy number.

It is not a de Polignac number, because 1288048267 - 2²³ = 1279659659 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1288048261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71334 + ... + 87547.

Almost surely, 2^1288048267 is an apocalyptic number.

1288048267 is a deficient number, since it is larger than the sum of its proper divisors (148880541).

1288048267 is a wasteful number, since it uses less digits than its factorization.

1288048267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158970 (or 158959 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 46.

The square root of 1288048267 is about 35889.3893372401. The cubic root of 1288048267 is about 1088.0379559256.

The spelling of 1288048267 in words is "one billion, two hundred eighty-eight million, forty-eight thousand, two hundred sixty-seven".