1121432103 has 24 divisors (see below), whose sum is σ = 1768980096. Its totient is φ = 678934800.

The previous prime is 1121432087. The next prime is 1121432111. The reversal of 1121432103 is 3012341211.

1121432103 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1121432103 - 2⁴ = 1121432087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121432203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96576 + ... + 107562.

It is an arithmetic number, because the mean of its divisors is an integer number (73707504).

Almost surely, 2^1121432103 is an apocalyptic number.

1121432103 is a deficient number, since it is larger than the sum of its proper divisors (647547993).

1121432103 is a wasteful number, since it uses less digits than its factorization.

1121432103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12035 (or 12032 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1121432103 is about 33487.7903570839. The cubic root of 1121432103 is about 1038.9412619875.

Adding to 1121432103 its reverse (3012341211), we get a palindrome (4133773314).

The spelling of 1121432103 in words is "one billion, one hundred twenty-one million, four hundred thirty-two thousand, one hundred three".