1013642 has 16 divisors (see below), whose sum is σ = 1840320. Its totient is φ = 408768.

The previous prime is 1013641. The next prime is 1013671. The reversal of 1013642 is 2463101.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1013642.

It is not an unprimeable number, because it can be changed into a prime (1013641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892 + ... + 2367.

It is an arithmetic number, because the mean of its divisors is an integer number (115020).

2^1013642 is an apocalyptic number.

1013642 is a deficient number, since it is larger than the sum of its proper divisors (826678).

1013642 is a wasteful number, since it uses less digits than its factorization.

1013642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1013642 is about 1006.7978943164. The cubic root of 1013642 is about 100.4526810400.

Adding to 1013642 its reverse (2463101), we get a palindrome (3476743).

The spelling of 1013642 in words is "one million, thirteen thousand, six hundred forty-two".