1270020 has 48 divisors (see below), whose sum is σ = 3624768. Its totient is φ = 332160.

The previous prime is 1270013. The next prime is 1270033. The reversal of 1270020 is 200721.

It is a super-2 number, since 2×1270020² = 3225901600800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1269978 and 1270005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3487 + ... + 3833.

It is an arithmetic number, because the mean of its divisors is an integer number (75516).

2^1270020 is an apocalyptic number.

1270020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1270020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1812384).

1270020 is an abundant number, since it is smaller than the sum of its proper divisors (2354748).

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

1270020 is a wasteful number, since it uses less digits than its factorization.

1270020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 1270020 is about 1126.9516404886. The cubic root of 1270020 is about 108.2937817485.

Adding to 1270020 its reverse (200721), we get a palindrome (1470741).

It can be divided in two parts, 12700 and 20, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 1270020 in words is "one million, two hundred seventy thousand, twenty".