1151210243 has 2 divisors, whose sum is σ = 1151210244. Its totient is φ = 1151210242.

The previous prime is 1151210231. The next prime is 1151210309. The reversal of 1151210243 is 3420121511.

It is a weak prime.

It is an emirp because it is prime and its reverse (3420121511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1151210243 - 2²² = 1147015939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1151210443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575605121 + 575605122.

It is an arithmetic number, because the mean of its divisors is an integer number (575605122).

Almost surely, 2^1151210243 is an apocalyptic number.

1151210243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151210243 is an equidigital number, since it uses as much as digits as its factorization.

1151210243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1151210243 is about 33929.4892829232. The cubic root of 1151210243 is about 1048.0569486540.

Adding to 1151210243 its reverse (3420121511), we get a palindrome (4571331754).

The spelling of 1151210243 in words is "one billion, one hundred fifty-one million, two hundred ten thousand, two hundred forty-three".