1018149 has 8 divisors (see below), whose sum is σ = 1480992. Its totient is φ = 617040.

The previous prime is 1018123. The next prime is 1018177. The reversal of 1018149 is 9418101.

1018149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1018149 - 2⁷ = 1018021 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018109) 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, 15394 + ... + 15459.

It is an arithmetic number, because the mean of its divisors is an integer number (185124).

2^1018149 is an apocalyptic number.

It is an amenable number.

1018149 is a deficient number, since it is larger than the sum of its proper divisors (462843).

1018149 is a wasteful number, since it uses less digits than its factorization.

1018149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30867.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 1018149 is about 1009.0336961668. The cubic root of 1018149 is about 100.6013432808.

The spelling of 1018149 in words is "one million, eighteen thousand, one hundred forty-nine".