1001213733 has 16 divisors (see below), whose sum is σ = 1438214400. Its totient is φ = 615885504.

The previous prime is 1001213651. The next prime is 1001213819. The reversal of 1001213733 is 3373121001.

It is not a de Polignac number, because 1001213733 - 2⁹ = 1001213221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001213233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166660 + ... + 172562.

It is an arithmetic number, because the mean of its divisors is an integer number (89888400).

Almost surely, 2^1001213733 is an apocalyptic number.

1001213733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1001213733 is a deficient number, since it is larger than the sum of its proper divisors (437000667).

1001213733 is a wasteful number, since it uses less digits than its factorization.

1001213733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10268.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 1001213733 is about 31641.9615858436. The cubic root of 1001213733 is about 1000.4044140939.

Adding to 1001213733 its reverse (3373121001), we get a palindrome (4374334734).

The spelling of 1001213733 in words is "one billion, one million, two hundred thirteen thousand, seven hundred thirty-three".