1276420 has 24 divisors (see below), whose sum is σ = 2822400. Its totient is φ = 483552.

The previous prime is 1276409. The next prime is 1276433. The reversal of 1276420 is 246721.

It is a junction number, because it is equal to n+sod(n) for n = 1276391 and 1276400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1300 + ... + 2059.

It is an arithmetic number, because the mean of its divisors is an integer number (117600).

2^1276420 is an apocalyptic number.

1276420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1276420 is an abundant number, since it is smaller than the sum of its proper divisors (1545980).

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

1276420 is a wasteful number, since it uses less digits than its factorization.

1276420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387 (or 3385 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1276420 is about 1129.7875906559. The cubic root of 1276420 is about 108.4753849886.

The spelling of 1276420 in words is "one million, two hundred seventy-six thousand, four hundred twenty".