1426181 has 8 divisors (see below), whose sum is σ = 1545984. Its totient is φ = 1310400.

The previous prime is 1426171. The next prime is 1426199. The reversal of 1426181 is 1816241.

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 1426181 - 2¹⁴ = 1409797 is a prime.

It is a super-2 number, since 2×1426181² = 4067984489522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426111) 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, 245 + ... + 1706.

It is an arithmetic number, because the mean of its divisors is an integer number (193248).

2^1426181 is an apocalyptic number.

It is an amenable number.

1426181 is a deficient number, since it is larger than the sum of its proper divisors (119803).

1426181 is a wasteful number, since it uses less digits than its factorization.

1426181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011.

The product of its digits is 384, while the sum is 23.

The square root of 1426181 is about 1194.2282026481. The cubic root of 1426181 is about 112.5619346212.

The spelling of 1426181 in words is "one million, four hundred twenty-six thousand, one hundred eighty-one".