1233761 has 2 divisors, whose sum is σ = 1233762. Its totient is φ = 1233760.

The previous prime is 1233751. The next prime is 1233763. The reversal of 1233761 is 1673321.

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., 819025 + 414736 = 905^2 + 644^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233761 is a prime.

Together with 1233763, 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 (1233763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616880 + 616881.

It is an arithmetic number, because the mean of its divisors is an integer number (616881).

2^1233761 is an apocalyptic number.

It is an amenable number.

1233761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233761 is an equidigital number, since it uses as much as digits as its factorization.

1233761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 23.

The square root of 1233761 is about 1110.7479462056. The cubic root of 1233761 is about 107.2532215585.

The spelling of 1233761 in words is "one million, two hundred thirty-three thousand, seven hundred sixty-one".