1803126 has 16 divisors (see below), whose sum is σ = 3883824. Its totient is φ = 554784.

The previous prime is 1803103. The next prime is 1803127. The reversal of 1803126 is 6213081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1803127) 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, 11481 + ... + 11636.

It is an arithmetic number, because the mean of its divisors is an integer number (242739).

2^1803126 is an apocalyptic number.

1803126 is an abundant number, since it is smaller than the sum of its proper divisors (2080698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1803126 is a wasteful number, since it uses less digits than its factorization.

1803126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23135.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1803126 is about 1342.8052725544. The cubic root of 1803126 is about 121.7144175694.

The spelling of 1803126 in words is "one million, eight hundred three thousand, one hundred twenty-six".