1141142403 has 4 divisors (see below), whose sum is σ = 1521523208. Its totient is φ = 760761600.

The previous prime is 1141142389. The next prime is 1141142407. The reversal of 1141142403 is 3042411411.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1141142403 - 2¹⁷ = 1141011331 is a prime.

It is a super-2 number, since 2×1141142403² = 2604411967849228818, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1141142403.

It is not an unprimeable number, because it can be changed into a prime (1141142407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190190398 + ... + 190190403.

It is an arithmetic number, because the mean of its divisors is an integer number (380380802).

Almost surely, 2^1141142403 is an apocalyptic number.

1141142403 is a deficient number, since it is larger than the sum of its proper divisors (380380805).

1141142403 is an equidigital number, since it uses as much as digits as its factorization.

1141142403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380380804.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1141142403 is about 33780.7993244683. The cubic root of 1141142403 is about 1044.9927589679.

Adding to 1141142403 its reverse (3042411411), we get a palindrome (4183553814).

The spelling of 1141142403 in words is "one billion, one hundred forty-one million, one hundred forty-two thousand, four hundred three".