1230169 has 2 divisors, whose sum is σ = 1230170. Its totient is φ = 1230168.

The previous prime is 1230167. The next prime is 1230181. The reversal of 1230169 is 9610321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 855625 + 374544 = 925^2 + 612^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230169 - 2¹ = 1230167 is a prime.

It is a super-2 number, since 2×1230169² = 3026631537122, which contains 22 as substring.

Together with 1230167, it forms a pair of twin primes.

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

It is not a weakly prime, because it can be changed into another prime (1230167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615084 + 615085.

It is an arithmetic number, because the mean of its divisors is an integer number (615085).

2^1230169 is an apocalyptic number.

It is an amenable number.

1230169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230169 is an equidigital number, since it uses as much as digits as its factorization.

1230169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1230169 is about 1109.1298391081. The cubic root of 1230169 is about 107.1490338873.

The spelling of 1230169 in words is "one million, two hundred thirty thousand, one hundred sixty-nine".