1031124042 has 24 divisors (see below), whose sum is σ = 2405956644. Its totient is φ = 317268864.

The previous prime is 1031124013. The next prime is 1031124067. The reversal of 1031124042 is 2404211301.

It can be written as a sum of positive squares in 2 ways, for example, as 1030987881 + 136161 = 32109^2 + 369^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2203023 + ... + 2203490.

Almost surely, 2^1031124042 is an apocalyptic number.

1031124042 is an abundant number, since it is smaller than the sum of its proper divisors (1374832602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031124042 is a wasteful number, since it uses less digits than its factorization.

1031124042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406534 (or 4406531 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1031124042 is about 32111.1202233743. The cubic root of 1031124042 is about 1010.2688700253.

Adding to 1031124042 its reverse (2404211301), we get a palindrome (3435335343).

The spelling of 1031124042 in words is "one billion, thirty-one million, one hundred twenty-four thousand, forty-two".