1276920 has 48 divisors (see below), whose sum is σ = 4151160. Its totient is φ = 340416.

The previous prime is 1276903. The next prime is 1276927. The reversal of 1276920 is 296721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1414 + ... + 2133.

2^1276920 is an apocalyptic number.

1276920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1276920 is an abundant number, since it is smaller than the sum of its proper divisors (2874240).

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

1276920 is a wasteful number, since it uses less digits than its factorization.

1276920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564 (or 3557 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1276920 is about 1130.0088495229. The cubic root of 1276920 is about 108.4895471536.

The spelling of 1276920 in words is "one million, two hundred seventy-six thousand, nine hundred twenty".