1082144787 has 12 divisors (see below), whose sum is σ = 1460480904. Its totient is φ = 712724320.

The previous prime is 1082144771. The next prime is 1082144827. The reversal of 1082144787 is 7874412801.

It is not a de Polignac number, because 1082144787 - 2⁴ = 1082144771 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1082144747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5514 + ... + 46847.

It is an arithmetic number, because the mean of its divisors is an integer number (121706742).

Almost surely, 2^1082144787 is an apocalyptic number.

1082144787 is a deficient number, since it is larger than the sum of its proper divisors (378336117).

1082144787 is an frugal number, since it uses more digits than its factorization.

1082144787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52530 (or 52447 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 42.

The square root of 1082144787 is about 32895.9691603698. The cubic root of 1082144787 is about 1026.6642919048.

The spelling of 1082144787 in words is "one billion, eighty-two million, one hundred forty-four thousand, seven hundred eighty-seven".