1025787084 has 24 divisors (see below), whose sum is σ = 2735432448. Its totient is φ = 293082000.

The previous prime is 1025787031. The next prime is 1025787107. The reversal of 1025787084 is 4807875201.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6105792 + ... + 6105959.

It is an arithmetic number, because the mean of its divisors is an integer number (113976352).

Almost surely, 2^1025787084 is an apocalyptic number.

1025787084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1025787084 is an abundant number, since it is smaller than the sum of its proper divisors (1709645364).

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

1025787084 is a wasteful number, since it uses less digits than its factorization.

1025787084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12211765 (or 12211763 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 1025787084 is about 32027.9110152379. The cubic root of 1025787084 is about 1008.5228493421.

The spelling of 1025787084 in words is "one billion, twenty-five million, seven hundred eighty-seven thousand, eighty-four".