1081386675 has 36 divisors (see below), whose sum is σ = 1938994200. Its totient is φ = 576111360.

The previous prime is 1081386673. The next prime is 1081386697. The reversal of 1081386675 is 5766831801.

It is not a de Polignac number, because 1081386675 - 2¹ = 1081386673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1081386675.

It is not an unprimeable number, because it can be changed into a prime (1081386673) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 265051 + ... + 269099.

It is an arithmetic number, because the mean of its divisors is an integer number (53860950).

Almost surely, 2^1081386675 is an apocalyptic number.

1081386675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1081386675 is a deficient number, since it is larger than the sum of its proper divisors (857607525).

1081386675 is a wasteful number, since it uses less digits than its factorization.

1081386675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252 (or 5244 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1081386675 is about 32884.4442708099. Note that the first 3 decimals coincide. The cubic root of 1081386675 is about 1026.4244877813.

The spelling of 1081386675 in words is "one billion, eighty-one million, three hundred eighty-six thousand, six hundred seventy-five".