1042133240 has 32 divisors (see below), whose sum is σ = 2374488000. Its totient is φ = 411575424.

The previous prime is 1042133233. The next prime is 1042133249. The reversal of 1042133240 is 423312401.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042133249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 161735 + ... + 168054.

It is an arithmetic number, because the mean of its divisors is an integer number (74202750).

Almost surely, 2^1042133240 is an apocalyptic number.

1042133240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042133240 is an abundant number, since it is smaller than the sum of its proper divisors (1332354760).

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

1042133240 is a wasteful number, since it uses less digits than its factorization.

1042133240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329879 (or 329875 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1042133240 is about 32282.0885321876. The cubic root of 1042133240 is about 1013.8516589781.

Adding to 1042133240 its reverse (423312401), we get a palindrome (1465445641).

The spelling of 1042133240 in words is "one billion, forty-two million, one hundred thirty-three thousand, two hundred forty".