1001010538 has 16 divisors (see below), whose sum is σ = 1641371040. Its totient is φ = 454073200.

The previous prime is 1001010509. The next prime is 1001010539. The reversal of 1001010538 is 8350101001.

It is not an unprimeable number, because it can be changed into a prime (1001010539) 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, 35533 + ... + 57136.

It is an arithmetic number, because the mean of its divisors is an integer number (102585690).

Almost surely, 2^1001010538 is an apocalyptic number.

1001010538 is a deficient number, since it is larger than the sum of its proper divisors (640360502).

1001010538 is a wasteful number, since it uses less digits than its factorization.

1001010538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93173.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1001010538 is about 31638.7505758366. The cubic root of 1001010538 is about 1000.3367325984.

Adding to 1001010538 its reverse (8350101001), we get a palindrome (9351111539).

The spelling of 1001010538 in words is "one billion, one million, ten thousand, five hundred thirty-eight".