1245538 has 16 divisors (see below), whose sum is σ = 2185920. Its totient is φ = 521136.

The previous prime is 1245529. The next prime is 1245551. The reversal of 1245538 is 8355421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433 + ... + 1636.

It is an arithmetic number, because the mean of its divisors is an integer number (136620).

2^1245538 is an apocalyptic number.

1245538 is a deficient number, since it is larger than the sum of its proper divisors (940382).

1245538 is a wasteful number, since it uses less digits than its factorization.

1245538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121.

The product of its digits is 4800, while the sum is 28.

The square root of 1245538 is about 1116.0367377466. The cubic root of 1245538 is about 107.5934071867.

The spelling of 1245538 in words is "one million, two hundred forty-five thousand, five hundred thirty-eight".