1101142 has 8 divisors (see below), whose sum is σ = 1887696. Its totient is φ = 471912.

The previous prime is 1101127. The next prime is 1101143. The reversal of 1101142 is 2411011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39313 + ... + 39340.

It is an arithmetic number, because the mean of its divisors is an integer number (235962).

2^1101142 is an apocalyptic number.

1101142 is a deficient number, since it is larger than the sum of its proper divisors (786554).

1101142 is an equidigital number, since it uses as much as digits as its factorization.

1101142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78662.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1101142 is about 1049.3531340783. The cubic root of 1101142 is about 103.2637223386.

Adding to 1101142 its reverse (2411011), we get a palindrome (3512153).

The spelling of 1101142 in words is "one million, one hundred one thousand, one hundred forty-two".