1120142 has 8 divisors (see below), whose sum is σ = 1689336. Its totient is φ = 557032.

The previous prime is 1120121. The next prime is 1120153. The reversal of 1120142 is 2410211.

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

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028 + ... + 1815.

It is an arithmetic number, because the mean of its divisors is an integer number (211167).

2^1120142 is an apocalyptic number.

1120142 is a deficient number, since it is larger than the sum of its proper divisors (569194).

1120142 is a wasteful number, since it uses less digits than its factorization.

1120142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1120142 is about 1058.3676109935. The cubic root of 1120142 is about 103.8542707454.

Adding to 1120142 its reverse (2410211), we get a palindrome (3530353).

The spelling of 1120142 in words is "one million, one hundred twenty thousand, one hundred forty-two".