1162729 has 2 divisors, whose sum is σ = 1162730. Its totient is φ = 1162728.

The previous prime is 1162727. The next prime is 1162741. The reversal of 1162729 is 9272611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 640000 + 522729 = 800^2 + 723^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162729 - 2¹ = 1162727 is a prime.

Together with 1162727, it forms a pair of twin primes.

It is a Chen prime.

1162729 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1162697 and 1162706.

It is not a weakly prime, because it can be changed into another prime (1162727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581364 + 581365.

It is an arithmetic number, because the mean of its divisors is an integer number (581365).

2^1162729 is an apocalyptic number.

It is an amenable number.

1162729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162729 is an equidigital number, since it uses as much as digits as its factorization.

1162729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

The square root of 1162729 is about 1078.2991236202. The cubic root of 1162729 is about 105.1540897081.

Adding to 1162729 its product of digits (1512), we get a square (1164241 = 1079²).

It can be divided in two parts, 116272 and 9, that added together give a square (116281 = 341²).

The spelling of 1162729 in words is "one million, one hundred sixty-two thousand, seven hundred twenty-nine".