1272546 has 24 divisors (see below), whose sum is σ = 3008304. Its totient is φ = 385560.

The previous prime is 1272539. The next prime is 1272547. The reversal of 1272546 is 6452721.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1272547) 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 11 ways as a sum of consecutive naturals, for example, 3016 + ... + 3411.

It is an arithmetic number, because the mean of its divisors is an integer number (125346).

2^1272546 is an apocalyptic number.

1272546 is an abundant number, since it is smaller than the sum of its proper divisors (1735758).

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

1272546 is a wasteful number, since it uses less digits than its factorization.

1272546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6446 (or 6443 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 1272546 is about 1128.0718062251. The cubic root of 1272546 is about 108.3655309950.

It can be divided in two parts, 127254 and 6, that added together give a triangular number (127260 = T₅₀₄).

The spelling of 1272546 in words is "one million, two hundred seventy-two thousand, five hundred forty-six".