1521230 has 8 divisors (see below), whose sum is σ = 2738232. Its totient is φ = 608488.

The previous prime is 1521229. The next prime is 1521241. The reversal of 1521230 is 321251.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76052 + ... + 76071.

It is an arithmetic number, because the mean of its divisors is an integer number (342279).

2^1521230 is an apocalyptic number.

1521230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1521230 is a deficient number, since it is larger than the sum of its proper divisors (1217002).

1521230 is a wasteful number, since it uses less digits than its factorization.

1521230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152130.

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

The square root of 1521230 is about 1233.3815305898. The cubic root of 1521230 is about 115.0089470040.

Adding to 1521230 its reverse (321251), we get a palindrome (1842481).

The spelling of 1521230 in words is "one million, five hundred twenty-one thousand, two hundred thirty".