1141201243 has 16 divisors (see below), whose sum is σ = 1452991680. Its totient is φ = 871790976.

The previous prime is 1141201213. The next prime is 1141201277. The reversal of 1141201243 is 3421021411.

It is a de Polignac number, because none of the positive numbers 2^k-1141201243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1141201243.

It is not an unprimeable number, because it can be changed into a prime (1141201213) 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 in 15 ways as a sum of consecutive naturals, for example, 213580 + ... + 218857.

It is an arithmetic number, because the mean of its divisors is an integer number (90811980).

Almost surely, 2^1141201243 is an apocalyptic number.

1141201243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1141201243 is a deficient number, since it is larger than the sum of its proper divisors (311790437).

1141201243 is a wasteful number, since it uses less digits than its factorization.

1141201243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432486.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1141201243 is about 33781.6702221782. The cubic root of 1141201243 is about 1045.0107194249.

Adding to 1141201243 its reverse (3421021411), we get a palindrome (4562222654).

The spelling of 1141201243 in words is "one billion, one hundred forty-one million, two hundred one thousand, two hundred forty-three".