1801010 has 16 divisors (see below), whose sum is σ = 3412800. Its totient is φ = 682416.

The previous prime is 1801003. The next prime is 1801013. The reversal of 1801010 is 101081.

1801010 is a modest number, since divided by 1010 gives 180 as remainder.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1800982 and 1801000.

It is not an unprimeable number, because it can be changed into a prime (1801013) 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, 4550 + ... + 4929.

It is an arithmetic number, because the mean of its divisors is an integer number (213300).

2^1801010 is an apocalyptic number.

1801010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1801010 is a deficient number, since it is larger than the sum of its proper divisors (1611790).

1801010 is a wasteful number, since it uses less digits than its factorization.

1801010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9505.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1801010 is about 1342.0171384897. The cubic root of 1801010 is about 121.6667875981. Note that the first 3 decimals are identical.

Adding to 1801010 its reverse (101081), we get a palindrome (1902091).

The spelling of 1801010 in words is "one million, eight hundred one thousand, ten".