1277225 has 12 divisors (see below), whose sum is σ = 1618944. Its totient is φ = 999120.

The previous prime is 1277209. The next prime is 1277233. The reversal of 1277225 is 5227721.

It is not a de Polignac number, because 1277225 - 2⁴ = 1277209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1277194 and 1277203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 632 + ... + 1718.

It is an arithmetic number, because the mean of its divisors is an integer number (134912).

2^1277225 is an apocalyptic number.

It is an amenable number.

1277225 is a deficient number, since it is larger than the sum of its proper divisors (341719).

1277225 is a wasteful number, since it uses less digits than its factorization.

1277225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 1139 counting only the distinct ones).

The product of its digits is 1960, while the sum is 26.

The square root of 1277225 is about 1130.1437961605. The cubic root of 1277225 is about 108.4981842589.

The spelling of 1277225 in words is "one million, two hundred seventy-seven thousand, two hundred twenty-five".