1530121 has 8 divisors (see below), whose sum is σ = 1620864. Its totient is φ = 1441440.

The previous prime is 1530107. The next prime is 1530131. The reversal of 1530121 is 1210351.

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

It is a cyclic number.

It is not a de Polignac number, because 1530121 - 2¹¹ = 1528073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1530131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165 + ... + 2101.

It is an arithmetic number, because the mean of its divisors is an integer number (202608).

2^1530121 is an apocalyptic number.

It is an amenable number.

1530121 is a deficient number, since it is larger than the sum of its proper divisors (90743).

1530121 is an equidigital number, since it uses as much as digits as its factorization.

1530121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1530121 is about 1236.9805980693. The cubic root of 1530121 is about 115.2325728124.

Adding to 1530121 its reverse (1210351), we get a palindrome (2740472).

The spelling of 1530121 in words is "one million, five hundred thirty thousand, one hundred twenty-one".