1071977 has 2 divisors, whose sum is σ = 1071978. Its totient is φ = 1071976.

The previous prime is 1071943. The next prime is 1071979. The reversal of 1071977 is 7791701.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 781456 + 290521 = 884^2 + 539^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071977 - 2¹⁶ = 1006441 is a prime.

It is a super-2 number, since 2×1071977² = 2298269377058, which contains 22 as substring.

Together with 1071979, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1071979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535988 + 535989.

It is an arithmetic number, because the mean of its divisors is an integer number (535989).

2^1071977 is an apocalyptic number.

It is an amenable number.

1071977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071977 is an equidigital number, since it uses as much as digits as its factorization.

1071977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3087, while the sum is 32.

The square root of 1071977 is about 1035.3632212900. The cubic root of 1071977 is about 102.3438669909.

It can be divided in two parts, 1071 and 977, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 1071977 in words is "one million, seventy-one thousand, nine hundred seventy-seven".