1011642 has 16 divisors (see below), whose sum is σ = 2039520. Its totient is φ = 334512.

The previous prime is 1011641. The next prime is 1011649. The reversal of 1011642 is 2461101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228 + ... + 1440.

It is an arithmetic number, because the mean of its divisors is an integer number (127470).

2^1011642 is an apocalyptic number.

1011642 is an abundant number, since it is smaller than the sum of its proper divisors (1027878).

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

1011642 is a wasteful number, since it uses less digits than its factorization.

1011642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1011642 is about 1005.8041558872. The cubic root of 1011642 is about 100.3865703745.

Adding to 1011642 its reverse (2461101), we get a palindrome (3472743).

It can be divided in two parts, 1011 and 642, that added together give a triangular number (1653 = T₅₇).

The spelling of 1011642 in words is "one million, eleven thousand, six hundred forty-two".