1081741687 has 8 divisors (see below), whose sum is σ = 1226266160. Its totient is φ = 945976320.

The previous prime is 1081741651. The next prime is 1081741691. The reversal of 1081741687 is 7861471801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1081741687 - 2¹⁹ = 1081217399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081741627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2189514 + ... + 2190007.

It is an arithmetic number, because the mean of its divisors is an integer number (153283270).

Almost surely, 2^1081741687 is an apocalyptic number.

1081741687 is a deficient number, since it is larger than the sum of its proper divisors (144524473).

1081741687 is a wasteful number, since it uses less digits than its factorization.

1081741687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379553.

The product of its (nonzero) digits is 75264, while the sum is 43.

The square root of 1081741687 is about 32889.8416992238. The cubic root of 1081741687 is about 1026.5367982527.

The spelling of 1081741687 in words is "one billion, eighty-one million, seven hundred forty-one thousand, six hundred eighty-seven".