1230270 has 32 divisors (see below), whose sum is σ = 3082752. Its totient is φ = 313632.

The previous prime is 1230263. The next prime is 1230301. The reversal of 1230270 is 720321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202 + ... + 1581.

It is an arithmetic number, because the mean of its divisors is an integer number (96336).

2^1230270 is an apocalyptic number.

1230270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230270 is an abundant number, since it is smaller than the sum of its proper divisors (1852482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230270 is a wasteful number, since it uses less digits than its factorization.

1230270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 1230270 is about 1109.1753693623. The cubic root of 1230270 is about 107.1519662097.

Adding to 1230270 its reverse (720321), we get a palindrome (1950591).

The spelling of 1230270 in words is "one million, two hundred thirty thousand, two hundred seventy".