1047831120 has 320 divisors, whose sum is σ = 4238538240. Its totient is φ = 232906752.

The previous prime is 1047831097. The next prime is 1047831121. The reversal of 1047831120 is 211387401.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047831121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 558504 + ... + 560376.

It is an arithmetic number, because the mean of its divisors is an integer number (13245432).

Almost surely, 2^1047831120 is an apocalyptic number.

1047831120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1047831120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2119269120).

1047831120 is an abundant number, since it is smaller than the sum of its proper divisors (3190707120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1047831120 is a wasteful number, since it uses less digits than its factorization.

1047831120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939 (or 1927 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1047831120 is about 32370.2196470768. The cubic root of 1047831120 is about 1015.6960516383.

The spelling of 1047831120 in words is "one billion, forty-seven million, eight hundred thirty-one thousand, one hundred twenty".