1272980 has 12 divisors (see below), whose sum is σ = 2673300. Its totient is φ = 509184.

The previous prime is 1272961. The next prime is 1272983. The reversal of 1272980 is 892721.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 355216 + 917764 = 596^2 + 958^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31805 + ... + 31844.

It is an arithmetic number, because the mean of its divisors is an integer number (222775).

2^1272980 is an apocalyptic number.

1272980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1272980 is an abundant number, since it is smaller than the sum of its proper divisors (1400320).

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

1272980 is a wasteful number, since it uses less digits than its factorization.

1272980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63658 (or 63656 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1272980 is about 1128.2641534676. The cubic root of 1272980 is about 108.3778488981.

The spelling of 1272980 in words is "one million, two hundred seventy-two thousand, nine hundred eighty".