1230164 has 24 divisors (see below), whose sum is σ = 2379048. Its totient is φ = 552960.

The previous prime is 1230127. The next prime is 1230167. The reversal of 1230164 is 4610321.

1230164 = T₁₉₁ + T₁₉₂ + ... + T₂₄₂.

It can be written as a sum of positive squares in 4 ways, for example, as 85264 + 1144900 = 292^2 + 1070^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230167) 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, 1844 + ... + 2420.

It is an arithmetic number, because the mean of its divisors is an integer number (99127).

2^1230164 is an apocalyptic number.

It is an amenable number.

1230164 is a deficient number, since it is larger than the sum of its proper divisors (1148884).

1230164 is a wasteful number, since it uses less digits than its factorization.

1230164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1230164 is about 1109.1275850866. The cubic root of 1230164 is about 107.1488887186.

Adding to 1230164 its reverse (4610321), we get a palindrome (5840485).

The spelling of 1230164 in words is "one million, two hundred thirty thousand, one hundred sixty-four".