1131002242 has 8 divisors (see below), whose sum is σ = 1713300732. Its totient is φ = 559902000.

The previous prime is 1131002237. The next prime is 1131002287. The reversal of 1131002242 is 2422001311.

It can be written as a sum of positive squares in 2 ways, for example, as 1015633161 + 115369081 = 31869^2 + 10741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2799309 + ... + 2799712.

Almost surely, 2^1131002242 is an apocalyptic number.

1131002242 is a deficient number, since it is larger than the sum of its proper divisors (582298490).

1131002242 is a wasteful number, since it uses less digits than its factorization.

1131002242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599124.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1131002242 is about 33630.3767745769. The cubic root of 1131002242 is about 1041.8882860330. Note that the first 3 decimals are identical.

Adding to 1131002242 its reverse (2422001311), we get a palindrome (3553003553).

The spelling of 1131002242 in words is "one billion, one hundred thirty-one million, two thousand, two hundred forty-two".