15232130 has 16 divisors (see below), whose sum is σ = 27476280. Its totient is φ = 6079872.

The previous prime is 15232117. The next prime is 15232159. The reversal of 15232130 is 3123251.

It can be written as a sum of positive squares in 4 ways, for example, as 4844401 + 10387729 = 2201^2 + 3223^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15232099 and 15232108.

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, 4352 + ... + 7028.

Almost surely, 2^15232130 is an apocalyptic number.

15232130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15232130 is a deficient number, since it is larger than the sum of its proper divisors (12244150).

15232130 is a wasteful number, since it uses less digits than its factorization.

15232130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 15232130 is about 3902.8361482389. The cubic root of 15232130 is about 247.8868825960.

Adding to 15232130 its reverse (3123251), we get a palindrome (18355381).

The spelling of 15232130 in words is "fifteen million, two hundred thirty-two thousand, one hundred thirty".