1082680787 has 4 divisors (see below), whose sum is σ = 1082950680. Its totient is φ = 1082410896.

The previous prime is 1082680783. The next prime is 1082680811. The reversal of 1082680787 is 7870862801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7870862801 = 79397 ⋅99133.

It is a cyclic number.

It is not a de Polignac number, because 1082680787 - 2² = 1082680783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1082680783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128837 + ... + 136982.

It is an arithmetic number, because the mean of its divisors is an integer number (270737670).

Almost surely, 2^1082680787 is an apocalyptic number.

1082680787 is a deficient number, since it is larger than the sum of its proper divisors (269893).

1082680787 is an equidigital number, since it uses as much as digits as its factorization.

1082680787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269892.

The product of its (nonzero) digits is 301056, while the sum is 47.

The square root of 1082680787 is about 32904.1150466017. The cubic root of 1082680787 is about 1026.8337705293.

The spelling of 1082680787 in words is "one billion, eighty-two million, six hundred eighty thousand, seven hundred eighty-seven".