1230015 has 16 divisors (see below), whose sum is σ = 2014848. Its totient is φ = 640416.

The previous prime is 1230013. The next prime is 1230023. The reversal of 1230015 is 5100321.

It is not a de Polignac number, because 1230015 - 2¹ = 1230013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309 + ... + 1598.

It is an arithmetic number, because the mean of its divisors is an integer number (125928).

2^1230015 is an apocalyptic number.

1230015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1230015 is a deficient number, since it is larger than the sum of its proper divisors (784833).

1230015 is a wasteful number, since it uses less digits than its factorization.

1230015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1230015 is about 1109.0604131426. The cubic root of 1230015 is about 107.1445625125.

Adding to 1230015 its reverse (5100321), we get a palindrome (6330336).

The spelling of 1230015 in words is "one million, two hundred thirty thousand, fifteen".