1212530 has 32 divisors (see below), whose sum is σ = 2429568. Its totient is φ = 432000.

The previous prime is 1212521. The next prime is 1212551. The reversal of 1212530 is 352121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7955 + ... + 8105.

It is an arithmetic number, because the mean of its divisors is an integer number (75924).

2^1212530 is an apocalyptic number.

1212530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212530 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1212530 is a wasteful number, since it uses less digits than its factorization.

1212530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1212530 is about 1101.1493994913. The cubic root of 1212530 is about 106.6344412201.

Adding to 1212530 its reverse (352121), we get a palindrome (1564651).

The spelling of 1212530 in words is "one million, two hundred twelve thousand, five hundred thirty".