2103066142 has 4 divisors (see below), whose sum is σ = 3154599216. Its totient is φ = 1051533070.

The previous prime is 2103066127. The next prime is 2103066143. The reversal of 2103066142 is 2416603012.

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 (2103066143) 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, 525766534 + ... + 525766537.

It is an arithmetic number, because the mean of its divisors is an integer number (788649804).

Almost surely, 2^2103066142 is an apocalyptic number.

2103066142 is a deficient number, since it is larger than the sum of its proper divisors (1051533074).

2103066142 is a wasteful number, since it uses less digits than its factorization.

2103066142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051533073.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2103066142 is about 45859.1990989812. The cubic root of 2103066142 is about 1281.2021059646.

Adding to 2103066142 its reverse (2416603012), we get a palindrome (4519669154).

The spelling of 2103066142 in words is "two billion, one hundred three million, sixty-six thousand, one hundred forty-two".