1276020 has 96 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 317952.

The previous prime is 1276013. The next prime is 1276027. The reversal of 1276020 is 206721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1276013) and next prime (1276027).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1275984 and 1276002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9111 + ... + 9249.

It is an arithmetic number, because the mean of its divisors is an integer number (44100).

2^1276020 is an apocalyptic number.

1276020 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 1276020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2116800).

1276020 is an abundant number, since it is smaller than the sum of its proper divisors (2957580).

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

1276020 is a wasteful number, since it uses less digits than its factorization.

1276020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1276020 is about 1129.6105523586. The cubic root of 1276020 is about 108.4640525935.

The spelling of 1276020 in words is "one million, two hundred seventy-six thousand, twenty".