1267888 has 20 divisors (see below), whose sum is σ = 2482480. Its totient is φ = 627264.

The previous prime is 1267883. The next prime is 1267891. The reversal of 1267888 is 8887621.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1267888.

It is not an unprimeable number, because it can be changed into a prime (1267883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1381 + ... + 2107.

It is an arithmetic number, because the mean of its divisors is an integer number (124124).

2^1267888 is an apocalyptic number.

It is an amenable number.

1267888 is a deficient number, since it is larger than the sum of its proper divisors (1214592).

1267888 is a wasteful number, since it uses less digits than its factorization.

1267888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 838 counting only the distinct ones).

The product of its digits is 43008, while the sum is 40.

The square root of 1267888 is about 1126.0053285842. The cubic root of 1267888 is about 108.2331497221.

The spelling of 1267888 in words is "one million, two hundred sixty-seven thousand, eight hundred eighty-eight".