1150507243 has 2 divisors, whose sum is σ = 1150507244. Its totient is φ = 1150507242.

The previous prime is 1150507201. The next prime is 1150507279. The reversal of 1150507243 is 3427050511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1150507243 - 2²¹ = 1148410091 is a prime.

It is a super-2 number, since 2×1150507243² = 2647333832390922098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1150507543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575253621 + 575253622.

It is an arithmetic number, because the mean of its divisors is an integer number (575253622).

Almost surely, 2^1150507243 is an apocalyptic number.

1150507243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150507243 is an equidigital number, since it uses as much as digits as its factorization.

1150507243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1150507243 is about 33919.1279811259. The cubic root of 1150507243 is about 1047.8435691358.

Adding to 1150507243 its reverse (3427050511), we get a palindrome (4577557754).

The spelling of 1150507243 in words is "one billion, one hundred fifty million, five hundred seven thousand, two hundred forty-three".