1267028 has 24 divisors (see below), whose sum is σ = 2604672. Its totient is φ = 527904.

The previous prime is 1267009. The next prime is 1267043. The reversal of 1267028 is 8207621.

It is a junction number, because it is equal to n+sod(n) for n = 1266988 and 1267006.

It is a congruent number.

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, 425 + ... + 1647.

It is an arithmetic number, because the mean of its divisors is an integer number (108528).

2^1267028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1267028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1302336).

1267028 is an abundant number, since it is smaller than the sum of its proper divisors (1337644).

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

1267028 is a wasteful number, since it uses less digits than its factorization.

1267028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1267028 is about 1125.6233828417. The cubic root of 1267028 is about 108.2086729119.

The spelling of 1267028 in words is "one million, two hundred sixty-seven thousand, twenty-eight".