1230106 has 4 divisors (see below), whose sum is σ = 1845162. Its totient is φ = 615052.

The previous prime is 1230071. The next prime is 1230107. The reversal of 1230106 is 6010321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6010321 = 811 ⋅7411.

It can be written as a sum of positive squares in only one way, i.e., 1229881 + 225 = 1109^2 + 15^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1230107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307525 + ... + 307528.

2^1230106 is an apocalyptic number.

1230106 is a deficient number, since it is larger than the sum of its proper divisors (615056).

1230106 is an equidigital number, since it uses as much as digits as its factorization.

1230106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615055.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1230106 is about 1109.1014381020. The cubic root of 1230106 is about 107.1472047336.

Adding to 1230106 its reverse (6010321), we get a palindrome (7240427).

The spelling of 1230106 in words is "one million, two hundred thirty thousand, one hundred six".