1141121031 has 4 divisors (see below), whose sum is σ = 1521494712. Its totient is φ = 760747352.

The previous prime is 1141121027. The next prime is 1141121041. The reversal of 1141121031 is 1301211411.

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

It is a cyclic number.

It is not a de Polignac number, because 1141121031 - 2² = 1141121027 is a prime.

It is a super-2 number, since 2×1141121031² = 2604314414781005922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1141121031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141121041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190186836 + ... + 190186841.

It is an arithmetic number, because the mean of its divisors is an integer number (380373678).

Almost surely, 2^1141121031 is an apocalyptic number.

1141121031 is a deficient number, since it is larger than the sum of its proper divisors (380373681).

1141121031 is an equidigital number, since it uses as much as digits as its factorization.

1141121031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380373680.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1141121031 is about 33780.4829894423. The cubic root of 1141121031 is about 1044.9862351765.

Adding to 1141121031 its reverse (1301211411), we get a palindrome (2442332442).

The spelling of 1141121031 in words is "one billion, one hundred forty-one million, one hundred twenty-one thousand, thirty-one".