1802130 has 64 divisors (see below), whose sum is σ = 4866048. Its totient is φ = 423360.

The previous prime is 1802117. The next prime is 1802137. The reversal of 1802130 is 312081.

1802130 = T₂₂₈ + T₂₂₉ + ... + T₂₈₂.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1802137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14127 + ... + 14253.

It is an arithmetic number, because the mean of its divisors is an integer number (76032).

2^1802130 is an apocalyptic number.

1802130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1802130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2433024).

1802130 is an abundant number, since it is smaller than the sum of its proper divisors (3063918).

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

1802130 is a wasteful number, since it uses less digits than its factorization.

1802130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1802130 is about 1342.4343559370. The cubic root of 1802130 is about 121.6920028135.

The spelling of 1802130 in words is "one million, eight hundred two thousand, one hundred thirty".