1377071 has 2 divisors, whose sum is σ = 1377072. Its totient is φ = 1377070.

The previous prime is 1377043. The next prime is 1377107. The reversal of 1377071 is 1707731.

Together with next prime (1377107) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1377071 - 2¹⁴ = 1360687 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1377071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1377031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688535 + 688536.

It is an arithmetic number, because the mean of its divisors is an integer number (688536).

2^1377071 is an apocalyptic number.

1377071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377071 is an equidigital number, since it uses as much as digits as its factorization.

1377071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1029, while the sum is 26.

The square root of 1377071 is about 1173.4866850544. The cubic root of 1377071 is about 111.2548051621.

The spelling of 1377071 in words is "one million, three hundred seventy-seven thousand, seventy-one".