11722130 has 32 divisors (see below), whose sum is σ = 24295680. Its totient is φ = 3988800.

The previous prime is 11722127. The next prime is 11722133. The reversal of 11722130 is 3122711.

It is an interprime number because it is at equal distance from previous prime (11722127) and next prime (11722133).

It is a junction number, because it is equal to n+sod(n) for n = 11722099 and 11722108.

It is not an unprimeable number, because it can be changed into a prime (11722133) 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 15 ways as a sum of consecutive naturals, for example, 10016 + ... + 11124.

It is an arithmetic number, because the mean of its divisors is an integer number (759240).

Almost surely, 2^11722130 is an apocalyptic number.

11722130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11722130 is an abundant number, since it is smaller than the sum of its proper divisors (12573550).

11722130 is a wasteful number, since it uses less digits than its factorization.

11722130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 11722130 is about 3423.7596294133. The cubic root of 11722130 is about 227.1619097563.

Adding to 11722130 its reverse (3122711), we get a palindrome (14844841).

The spelling of 11722130 in words is "eleven million, seven hundred twenty-two thousand, one hundred thirty".