1273528 has 8 divisors (see below), whose sum is σ = 2387880. Its totient is φ = 636760.

The previous prime is 1273507. The next prime is 1273541. The reversal of 1273528 is 8253721.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1273496 and 1273505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79588 + ... + 79603.

It is an arithmetic number, because the mean of its divisors is an integer number (298485).

2^1273528 is an apocalyptic number.

It is an amenable number.

1273528 is a deficient number, since it is larger than the sum of its proper divisors (1114352).

1273528 is a wasteful number, since it uses less digits than its factorization.

1273528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159197 (or 159193 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 1273528 is about 1128.5069782682. The cubic root of 1273528 is about 108.3933983807.

It can be divided in two parts, 127 and 3528, that added together give a triangular number (3655 = T₈₅).

The spelling of 1273528 in words is "one million, two hundred seventy-three thousand, five hundred twenty-eight".