1151243 has 2 divisors, whose sum is σ = 1151244. Its totient is φ = 1151242.

The previous prime is 1151237. The next prime is 1151251. The reversal of 1151243 is 3421511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1151243 - 2⁶ = 1151179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1151203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575621 + 575622.

It is an arithmetic number, because the mean of its divisors is an integer number (575622).

2^1151243 is an apocalyptic number.

1151243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151243 is an equidigital number, since it uses as much as digits as its factorization.

1151243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 17.

The square root of 1151243 is about 1072.9599246943. The cubic root of 1151243 is about 104.8066889171.

Adding to 1151243 its reverse (3421511), we get a palindrome (4572754).

The spelling of 1151243 in words is "one million, one hundred fifty-one thousand, two hundred forty-three".