1810061 has 8 divisors (see below), whose sum is σ = 2008800. Its totient is φ = 1617040.

The previous prime is 1810057. The next prime is 1810063. The reversal of 1810061 is 1600181.

It is a happy number.

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 1810061 - 2² = 1810057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1810063) 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 7 ways as a sum of consecutive naturals, for example, 746 + ... + 2043.

It is an arithmetic number, because the mean of its divisors is an integer number (251100).

2^1810061 is an apocalyptic number.

1810061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1810061 is a deficient number, since it is larger than the sum of its proper divisors (198739).

1810061 is a wasteful number, since it uses less digits than its factorization.

1810061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 1810061 is about 1345.3850749878. The cubic root of 1810061 is about 121.8702598200.

The spelling of 1810061 in words is "one million, eight hundred ten thousand, sixty-one".