1402123142 has 12 divisors (see below), whose sum is σ = 2446561980. Its totient is φ = 600909876.

The previous prime is 1402123061. The next prime is 1402123157. The reversal of 1402123142 is 2413212041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7153592 + ... + 7153787.

It is an arithmetic number, because the mean of its divisors is an integer number (203880165).

Almost surely, 2^1402123142 is an apocalyptic number.

1402123142 is a deficient number, since it is larger than the sum of its proper divisors (1044438838).

1402123142 is a wasteful number, since it uses less digits than its factorization.

1402123142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14307395 (or 14307388 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1402123142 is about 37444.9347976465. The cubic root of 1402123142 is about 1119.2541648989.

Adding to 1402123142 its reverse (2413212041), we get a palindrome (3815335183).

The spelling of 1402123142 in words is "one billion, four hundred two million, one hundred twenty-three thousand, one hundred forty-two".