1270120 has 32 divisors (see below), whose sum is σ = 2893320. Its totient is φ = 501760.

The previous prime is 1270111. The next prime is 1270123. The reversal of 1270120 is 210721.

1270120 = T₄₉₉ + T₅₀₀ + ... + T₅₀₈.

It can be written as a sum of positive squares in 4 ways, for example, as 743044 + 527076 = 862^2 + 726^2 .

It is a super-2 number, since 2×1270120² = 3226409628800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1270120.

It is not an unprimeable number, because it can be changed into a prime (1270123) 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, 4380 + ... + 4660.

2^1270120 is an apocalyptic number.

1270120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1270120 is an abundant number, since it is smaller than the sum of its proper divisors (1623200).

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

1270120 is a wasteful number, since it uses less digits than its factorization.

1270120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 1270120 is about 1126.9960070914. The cubic root of 1270120 is about 108.2966239856.

Adding to 1270120 its reverse (210721), we get a palindrome (1480841).

It can be divided in two parts, 12701 and 20, that added together give a palindrome (12721).

The spelling of 1270120 in words is "one million, two hundred seventy thousand, one hundred twenty".