1277055 has 48 divisors (see below), whose sum is σ = 2489760. Its totient is φ = 601344.

The previous prime is 1277041. The next prime is 1277063. The reversal of 1277055 is 5507721.

It is not a de Polignac number, because 1277055 - 2⁴ = 1277039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21616 + ... + 21674.

It is an arithmetic number, because the mean of its divisors is an integer number (51870).

2^1277055 is an apocalyptic number.

1277055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1277055 is a deficient number, since it is larger than the sum of its proper divisors (1212705).

1277055 is a wasteful number, since it uses less digits than its factorization.

1277055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 1277055 is about 1130.0685819896. The cubic root of 1277055 is about 108.4933703043.

The spelling of 1277055 in words is "one million, two hundred seventy-seven thousand, fifty-five".