1212130 has 16 divisors (see below), whose sum is σ = 2229120. Its totient is φ = 474352.

The previous prime is 1212121. The next prime is 1212149. The reversal of 1212130 is 312121.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820 + ... + 1759.

It is an arithmetic number, because the mean of its divisors is an integer number (139320).

2^1212130 is an apocalyptic number.

1212130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212130 is a deficient number, since it is larger than the sum of its proper divisors (1016990).

1212130 is a wasteful number, since it uses less digits than its factorization.

1212130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1212130 is about 1100.9677561128. The cubic root of 1212130 is about 106.6227140965.

Adding to 1212130 its reverse (312121), we get a palindrome (1524251).

Subtracting from 1212130 its reverse (312121), we obtain a palindrome (900009).

The spelling of 1212130 in words is "one million, two hundred twelve thousand, one hundred thirty".