1122761 has 2 divisors, whose sum is σ = 1122762. Its totient is φ = 1122760.

The previous prime is 1122757. The next prime is 1122811. The reversal of 1122761 is 1672211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 739600 + 383161 = 860^2 + 619^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122761 - 2² = 1122757 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1122701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561380 + 561381.

It is an arithmetic number, because the mean of its divisors is an integer number (561381).

2^1122761 is an apocalyptic number.

It is an amenable number.

1122761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122761 is an equidigital number, since it uses as much as digits as its factorization.

1122761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 168, while the sum is 20.

The square root of 1122761 is about 1059.6041713772. The cubic root of 1122761 is about 103.9351481779.

Adding to 1122761 its reverse (1672211), we get a palindrome (2794972).

The spelling of 1122761 in words is "one million, one hundred twenty-two thousand, seven hundred sixty-one".