1272481 has 6 divisors (see below), whose sum is σ = 1480290. Its totient is φ = 1090656.

The previous prime is 1272461. The next prime is 1272539. The reversal of 1272481 is 1842721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 893025 + 379456 = 945^2 + 616^2 .

It is not a de Polignac number, because 1272481 - 2¹¹ = 1270433 is a prime.

It is a super-2 number, since 2×1272481² = 3238415790722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1272421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12936 + ... + 13033.

It is an arithmetic number, because the mean of its divisors is an integer number (246715).

2^1272481 is an apocalyptic number.

It is an amenable number.

1272481 is a deficient number, since it is larger than the sum of its proper divisors (207809).

1272481 is an equidigital number, since it uses as much as digits as its factorization.

1272481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25983 (or 25976 counting only the distinct ones).

The product of its digits is 896, while the sum is 25.

The square root of 1272481 is about 1128.0429956345. The cubic root of 1272481 is about 108.3636859067.

The spelling of 1272481 in words is "one million, two hundred seventy-two thousand, four hundred eighty-one".