1068761871 has 12 divisors (see below), whose sum is σ = 1600944072. Its totient is φ = 712507752.

The previous prime is 1068761809. The next prime is 1068761879. The reversal of 1068761871 is 1781678601.

It is a happy number.

It is not a de Polignac number, because 1068761871 - 2²³ = 1060373263 is a prime.

It is a super-2 number, since 2×1068761871² = 2284503873806841282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068761879) 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, 2198856 + ... + 2199341.

It is an arithmetic number, because the mean of its divisors is an integer number (133412006).

Almost surely, 2^1068761871 is an apocalyptic number.

1068761871 is a deficient number, since it is larger than the sum of its proper divisors (532182201).

1068761871 is an frugal number, since it uses more digits than its factorization.

1068761871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398212 (or 4398200 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 1068761871 is about 32691.9236356627. The cubic root of 1068761871 is about 1022.4144618317.

The spelling of 1068761871 in words is "one billion, sixty-eight million, seven hundred sixty-one thousand, eight hundred seventy-one".