1161877 has 2 divisors, whose sum is σ = 1161878. Its totient is φ = 1161876.

The previous prime is 1161871. The next prime is 1161883. The reversal of 1161877 is 7781611.

It is a balanced prime because it is at equal distance from previous prime (1161871) and next prime (1161883).

It can be written as a sum of positive squares in only one way, i.e., 630436 + 531441 = 794^2 + 729^2 .

It is an emirp because it is prime and its reverse (7781611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1161877 - 2⁷ = 1161749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580938 + 580939.

It is an arithmetic number, because the mean of its divisors is an integer number (580939).

2^1161877 is an apocalyptic number.

It is an amenable number.

1161877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161877 is an equidigital number, since it uses as much as digits as its factorization.

1161877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2352, while the sum is 31.

The square root of 1161877 is about 1077.9039845923. The cubic root of 1161877 is about 105.1283992344.

The spelling of 1161877 in words is "one million, one hundred sixty-one thousand, eight hundred seventy-seven".