1230307 has 16 divisors (see below), whose sum is σ = 1481760. Its totient is φ = 1009152.

The previous prime is 1230301. The next prime is 1230311. The reversal of 1230307 is 7030321.

It is a cyclic number.

It is not a de Polignac number, because 1230307 - 2¹⁹ = 706019 is a prime.

It is a super-3 number, since 3×1230307³ = 5586782186123233329, which contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4053 + ... + 4345.

It is an arithmetic number, because the mean of its divisors is an integer number (92610).

2^1230307 is an apocalyptic number.

1230307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1230307 is a deficient number, since it is larger than the sum of its proper divisors (251453).

1230307 is a wasteful number, since it uses less digits than its factorization.

1230307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342.

The product of its (nonzero) digits is 126, while the sum is 16.

The square root of 1230307 is about 1109.1920482946. The cubic root of 1230307 is about 107.1530403866.

Adding to 1230307 its reverse (7030321), we get a palindrome (8260628).

The spelling of 1230307 in words is "one million, two hundred thirty thousand, three hundred seven".