1267628 has 6 divisors (see below), whose sum is σ = 2218356.
Its totient is φ = 633812.
The previous prime is 1267613. The next prime is 1267633. The reversal of 1267628 is 8267621.
It is a plaindrome in base 16.
It is a junction number, because it is equal to n+sod(n) for n = 1267594 and 1267603.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158450 + ... + 158457.
It is an arithmetic number, because the mean of its divisors is an integer number (369726).
21267628 is an apocalyptic number.
It is an amenable number.
1267628 is a deficient number, since it is larger than the sum of its proper divisors (950728).
1267628 is a wasteful number, since it uses less digits than its factorization.
1267628 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 316911 (or 316909 counting only the distinct ones).
The product of its digits is 8064, while the sum is 32.
The square root of 1267628 is about 1125.8898702804.
The cubic root of 1267628 is about 108.2257509239.
The spelling of 1267628 in words is "one million, two hundred sixty-seven thousand, six hundred twenty-eight".