1202142 has 8 divisors (see below), whose sum is σ = 2404296. Its totient is φ = 400712.

The previous prime is 1202129. The next prime is 1202147. The reversal of 1202142 is 2412021.

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

1202142 is an admirable number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202147) 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 3 ways as a sum of consecutive naturals, for example, 100173 + ... + 100184.

It is an arithmetic number, because the mean of its divisors is an integer number (300537).

2^1202142 is an apocalyptic number.

1202142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1202142 is a wasteful number, since it uses less digits than its factorization.

1202142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200362.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1202142 is about 1096.4223638726. The cubic root of 1202142 is about 106.3290475196.

Adding to 1202142 its reverse (2412021), we get a palindrome (3614163).

The spelling of 1202142 in words is "one million, two hundred two thousand, one hundred forty-two".