1081913 has 8 divisors (see below), whose sum is σ = 1247232. Its totient is φ = 919296.

The previous prime is 1081907. The next prime is 1081919. The reversal of 1081913 is 3191801.

It is an interprime number because it is at equal distance from previous prime (1081907) and next prime (1081919).

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

It is not a de Polignac number, because 1081913 - 2⁸ = 1081657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1081919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281 + ... + 1497.

It is an arithmetic number, because the mean of its divisors is an integer number (155904).

2^1081913 is an apocalyptic number.

It is an amenable number.

1081913 is a deficient number, since it is larger than the sum of its proper divisors (165319).

1081913 is a wasteful number, since it uses less digits than its factorization.

1081913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1081913 is about 1040.1504698840. The cubic root of 1081913 is about 102.6590985501.

The spelling of 1081913 in words is "one million, eighty-one thousand, nine hundred thirteen".