1050840487 has 4 divisors (see below), whose sum is σ = 1070667720. Its totient is φ = 1031013256.

The previous prime is 1050840481. The next prime is 1050840509. The reversal of 1050840487 is 7840480501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7840480501 = 7 ⋅1120068643.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1050840487 is a prime.

It is a super-2 number, since 2×1050840487² = 2208531458236794338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050840481) 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 3 ways as a sum of consecutive naturals, for example, 9913537 + ... + 9913642.

It is an arithmetic number, because the mean of its divisors is an integer number (267666930).

Almost surely, 2^1050840487 is an apocalyptic number.

1050840487 is a deficient number, since it is larger than the sum of its proper divisors (19827233).

1050840487 is an equidigital number, since it uses as much as digits as its factorization.

1050840487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19827232.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 1050840487 is about 32416.6698937445. The cubic root of 1050840487 is about 1016.6674806527.

The spelling of 1050840487 in words is "one billion, fifty million, eight hundred forty thousand, four hundred eighty-seven".