1270830 has 32 divisors (see below), whose sum is σ = 3328128. Its totient is φ = 308000.

The previous prime is 1270823. The next prime is 1270849. The reversal of 1270830 is 380721.

It is a junction number, because it is equal to n+sod(n) for n = 1270797 and 1270806.

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, 1596 + ... + 2255.

It is an arithmetic number, because the mean of its divisors is an integer number (104004).

2^1270830 is an apocalyptic number.

1270830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1270830 is an abundant number, since it is smaller than the sum of its proper divisors (2057298).

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

1270830 is a wasteful number, since it uses less digits than its factorization.

1270830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1270830 is about 1127.3109597622. The cubic root of 1270830 is about 108.3167995806.

The spelling of 1270830 in words is "one million, two hundred seventy thousand, eight hundred thirty".