1530117 has 8 divisors (see below), whose sum is σ = 2266880. Its totient is φ = 1020060.

The previous prime is 1530107. The next prime is 1530131. The reversal of 1530117 is 7110351.

It is a happy number.

It is not a de Polignac number, because 1530117 - 2⁷ = 1529989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1530117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530107) 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, 28309 + ... + 28362.

It is an arithmetic number, because the mean of its divisors is an integer number (283360).

2^1530117 is an apocalyptic number.

It is an amenable number.

1530117 is a deficient number, since it is larger than the sum of its proper divisors (736763).

1530117 is an equidigital number, since it uses as much as digits as its factorization.

1530117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56680 (or 56674 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 1530117 is about 1236.9789812281. The cubic root of 1530117 is about 115.2324723997.

Adding to 1530117 its reverse (7110351), we get a palindrome (8640468).

The spelling of 1530117 in words is "one million, five hundred thirty thousand, one hundred seventeen".