3121142 has 8 divisors (see below), whose sum is σ = 4832832.
Its totient is φ = 1510200.
The previous prime is 3121121. The next prime is 3121163. The reversal of 3121142 is 2411213.
Adding to 3121142 its reverse (2411213), we get a palindrome (5532355).
It is an interprime number because it is at equal distance from previous prime (3121121) and next prime (3121163).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25109 + ... + 25232.
It is an arithmetic number, because the mean of its divisors is an integer number (604104).
Almost surely, 23121142 is an apocalyptic number.
3121142 is a deficient number, since it is larger than the sum of its proper divisors (1711690).
3121142 is a wasteful number, since it uses less digits than its factorization.
3121142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50374.
The product of its digits is 48, while the sum is 14.
The square root of 3121142 is about 1766.6754087834.
The cubic root of 3121142 is about 146.1406975457.
The spelling of 3121142 in words is "three million, one hundred twenty-one thousand, one hundred forty-two".