1424181 has 16 divisors (see below), whose sum is σ = 2096640. Its totient is φ = 852720.

The previous prime is 1424177. The next prime is 1424191. The reversal of 1424181 is 1814241.

It is a happy number.

It is not a de Polignac number, because 1424181 - 2² = 1424177 is a prime.

It is a super-2 number, since 2×1424181² = 4056583041522, which contains 22 as substring.

1424181 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3190 + ... + 3608.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

2^1424181 is an apocalyptic number.

1424181 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1424181 is a deficient number, since it is larger than the sum of its proper divisors (672459).

1424181 is a wasteful number, since it uses less digits than its factorization.

1424181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its digits is 256, while the sum is 21.

The square root of 1424181 is about 1193.3905479766. The cubic root of 1424181 is about 112.5092930595.

The spelling of 1424181 in words is "one million, four hundred twenty-four thousand, one hundred eighty-one".