1001042433 has 24 divisors (see below), whose sum is σ = 1534741416. Its totient is φ = 626572800.

The previous prime is 1001042431. The next prime is 1001042509. The reversal of 1001042433 is 3342401001.

It can be written as a sum of positive squares in 4 ways, for example, as 106254864 + 894787569 = 10308^2 + 29913^2 .

It is not a de Polignac number, because 1001042433 - 2¹ = 1001042431 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1001042431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56643 + ... + 72183.

It is an arithmetic number, because the mean of its divisors is an integer number (63947559).

Almost surely, 2^1001042433 is an apocalyptic number.

It is an amenable number.

1001042433 is a deficient number, since it is larger than the sum of its proper divisors (533698983).

1001042433 is a wasteful number, since it uses less digits than its factorization.

1001042433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15985 (or 15982 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1001042433 is about 31639.2546214351. The cubic root of 1001042433 is about 1000.3473569958.

Adding to 1001042433 its reverse (3342401001), we get a palindrome (4343443434).

The spelling of 1001042433 in words is "one billion, one million, forty-two thousand, four hundred thirty-three".