1048431109 has 8 divisors (see below), whose sum is σ = 1145563200. Its totient is φ = 951602400.

The previous prime is 1048431079. The next prime is 1048431119. The reversal of 1048431109 is 9011348401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1048431109 - 2¹¹ = 1048429061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048431119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68584 + ... + 82465.

It is an arithmetic number, because the mean of its divisors is an integer number (143195400).

Almost surely, 2^1048431109 is an apocalyptic number.

It is an amenable number.

1048431109 is a deficient number, since it is larger than the sum of its proper divisors (97132091).

1048431109 is a wasteful number, since it uses less digits than its factorization.

1048431109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151691.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1048431109 is about 32379.4859285937. The cubic root of 1048431109 is about 1015.8898774588.

The spelling of 1048431109 in words is "one billion, forty-eight million, four hundred thirty-one thousand, one hundred nine".