1011132009 has 48 divisors (see below), whose sum is σ = 1556755200. Its totient is φ = 631346688.

The previous prime is 1011131999. The next prime is 1011132011. The reversal of 1011132009 is 9002311101.

It is not a de Polignac number, because 1011132009 - 2⁴ = 1011131993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011131982 and 1011132000.

It is not an unprimeable number, because it can be changed into a prime (1011133009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1704817 + ... + 1705409.

It is an arithmetic number, because the mean of its divisors is an integer number (32432400).

Almost surely, 2^1011132009 is an apocalyptic number.

It is an amenable number.

1011132009 is a deficient number, since it is larger than the sum of its proper divisors (545623191).

1011132009 is a wasteful number, since it uses less digits than its factorization.

1011132009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 1011132009 is about 31798.3019829676. The cubic root of 1011132009 is about 1003.6969851246.

The spelling of 1011132009 in words is "one billion, eleven million, one hundred thirty-two thousand, nine".