1101040432 has 10 divisors (see below), whose sum is σ = 2133265868. Its totient is φ = 550520208.

The previous prime is 1101040399. The next prime is 1101040433. The reversal of 1101040432 is 2340401011.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 68815027 = 1101040432 / (1 + 1 + 0 + 1 + 0 + 4 + 0 + 4 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (1101040433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34407498 + ... + 34407529.

Almost surely, 2^1101040432 is an apocalyptic number.

It is an amenable number.

1101040432 is a deficient number, since it is larger than the sum of its proper divisors (1032225436).

1101040432 is an equidigital number, since it uses as much as digits as its factorization.

1101040432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68815035 (or 68815029 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1101040432 is about 33181.9292989422. The cubic root of 1101040432 is about 1032.6054726758.

Adding to 1101040432 its reverse (2340401011), we get a palindrome (3441441443).

The spelling of 1101040432 in words is "one billion, one hundred one million, forty thousand, four hundred thirty-two".