1026181 has 8 divisors (see below), whose sum is σ = 1113560. Its totient is φ = 940032.

The previous prime is 1026167. The next prime is 1026197. The reversal of 1026181 is 1816201.

1026181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 93025 + 933156 = 305^2 + 966^2 .

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 1026181 - 2⁹ = 1025669 is a prime.

It is a super-2 number, since 2×1026181² = 2106094889522, which contains 22 as substring.

It is a Duffinian number.

1026181 is a lucky number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026101) 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, 2305 + ... + 2713.

It is an arithmetic number, because the mean of its divisors is an integer number (139195).

2^1026181 is an apocalyptic number.

It is an amenable number.

1026181 is a deficient number, since it is larger than the sum of its proper divisors (87379).

1026181 is a wasteful number, since it uses less digits than its factorization.

1026181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1026181 is about 1013.0059229837. The cubic root of 1026181 is about 100.8651928255.

The spelling of 1026181 in words is "one million, twenty-six thousand, one hundred eighty-one".