1072642 has 16 divisors (see below), whose sum is σ = 1677312. Its totient is φ = 514080.

The previous prime is 1072637. The next prime is 1072657. The reversal of 1072642 is 2462701.

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, 8383 + ... + 8509.

It is an arithmetic number, because the mean of its divisors is an integer number (104832).

2^1072642 is an apocalyptic number.

1072642 is a deficient number, since it is larger than the sum of its proper divisors (604670).

1072642 is a wasteful number, since it uses less digits than its factorization.

1072642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1072642 is about 1035.6843148373. The cubic root of 1072642 is about 102.3650255926.

The spelling of 1072642 in words is "one million, seventy-two thousand, six hundred forty-two".