1000131122 has 12 divisors (see below), whose sum is σ = 1537684458. Its totient is φ = 487867200.

The previous prime is 1000131113. The next prime is 1000131169. The reversal of 1000131122 is 2211310001.

It can be written as a sum of positive squares in 3 ways, for example, as 239971081 + 760160041 = 15491^2 + 27571^2 .

It is a super-2 number, since 2×1000131122² = 2000524522385957768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145379 + ... + 152102.

Almost surely, 2^1000131122 is an apocalyptic number.

1000131122 is a deficient number, since it is larger than the sum of its proper divisors (537553336).

1000131122 is an equidigital number, since it uses as much as digits as its factorization.

1000131122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297565 (or 297524 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1000131122 is about 31624.8497545838. The cubic root of 1000131122 is about 1000.0437054231.

Adding to 1000131122 its reverse (2211310001), we get a palindrome (3211441123).

The spelling of 1000131122 in words is "one billion, one hundred thirty-one thousand, one hundred twenty-two".