1530199 has 4 divisors (see below), whose sum is σ = 1669320. Its totient is φ = 1391080.

The previous prime is 1530197. The next prime is 1530227. The reversal of 1530199 is 9910351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1530199 - 2¹ = 1530197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530197) 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 3 ways as a sum of consecutive naturals, for example, 69544 + ... + 69565.

It is an arithmetic number, because the mean of its divisors is an integer number (417330).

2^1530199 is an apocalyptic number.

1530199 is a deficient number, since it is larger than the sum of its proper divisors (139121).

1530199 is a wasteful number, since it uses less digits than its factorization.

1530199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139120.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 1530199 is about 1237.0121260521. The cubic root of 1530199 is about 115.2345308248.

It can be divided in two parts, 15301 and 99, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 1530199 in words is "one million, five hundred thirty thousand, one hundred ninety-nine".