1131050242 has 24 divisors (see below), whose sum is σ = 2019471696. Its totient is φ = 473461128.

The previous prime is 1131050233. The next prime is 1131050243. The reversal of 1131050242 is 2420501311.

It is not an unprimeable number, because it can be changed into a prime (1131050243) 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 11 ways as a sum of consecutive naturals, for example, 129988 + ... + 138415.

It is an arithmetic number, because the mean of its divisors is an integer number (84144654).

Almost surely, 2^1131050242 is an apocalyptic number.

1131050242 is a deficient number, since it is larger than the sum of its proper divisors (888421454).

1131050242 is a wasteful number, since it uses less digits than its factorization.

1131050242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268462 (or 268455 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1131050242 is about 33631.0904075381. The cubic root of 1131050242 is about 1041.9030251521.

Adding to 1131050242 its reverse (2420501311), we get a palindrome (3551551553).

The spelling of 1131050242 in words is "one billion, one hundred thirty-one million, fifty thousand, two hundred forty-two".