1101233009 has 4 divisors (see below), whose sum is σ = 1101355380. Its totient is φ = 1101110640.

The previous prime is 1101232973. The next prime is 1101233033. The reversal of 1101233009 is 9003321011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 576960400 + 524272609 = 24020^2 + 22897^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101233009 - 2⁸ = 1101232753 is a prime.

It is a super-2 number, since 2×1101233009² = 2425428280222388162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101233209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46514 + ... + 66075.

It is an arithmetic number, because the mean of its divisors is an integer number (275338845).

Almost surely, 2^1101233009 is an apocalyptic number.

It is an amenable number.

1101233009 is a deficient number, since it is larger than the sum of its proper divisors (122371).

1101233009 is an equidigital number, since it uses as much as digits as its factorization.

1101233009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122370.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 1101233009 is about 33184.8310075552. The cubic root of 1101233009 is about 1032.6656716373.

The spelling of 1101233009 in words is "one billion, one hundred one million, two hundred thirty-three thousand, nine".