3120003142 has 4 divisors (see below), whose sum is σ = 4680004716. Its totient is φ = 1560001570.

The previous prime is 3120003127. The next prime is 3120003143. The reversal of 3120003142 is 2413000213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120003143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780000784 + ... + 780000787.

It is an arithmetic number, because the mean of its divisors is an integer number (1170001179).

Almost surely, 2^3120003142 is an apocalyptic number.

3120003142 is a deficient number, since it is larger than the sum of its proper divisors (1560001574).

3120003142 is a wasteful number, since it uses less digits than its factorization.

3120003142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560001573.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3120003142 is about 55856.9883004804. The cubic root of 3120003142 is about 1461.2292053231.

Adding to 3120003142 its reverse (2413000213), we get a palindrome (5533003355).

The spelling of 3120003142 in words is "three billion, one hundred twenty million, three thousand, one hundred forty-two".