1512002142 has 24 divisors (see below), whose sum is σ = 3744005616. Its totient is φ = 432000576.

The previous prime is 1512002113. The next prime is 1512002201. The reversal of 1512002142 is 2412002151.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 5999883 + ... + 6000134.

It is an arithmetic number, because the mean of its divisors is an integer number (156000234).

Almost surely, 2^1512002142 is an apocalyptic number.

1512002142 is an abundant number, since it is smaller than the sum of its proper divisors (2232003474).

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

1512002142 is a wasteful number, since it uses less digits than its factorization.

1512002142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12000032 (or 12000029 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1512002142 is about 38884.4717335854. The cubic root of 1512002142 is about 1147.7592516603.

Adding to 1512002142 its reverse (2412002151), we get a palindrome (3924004293).

Subtracting 1512002142 from its reverse (2412002151), we obtain a palindrome (900000009).

The spelling of 1512002142 in words is "one billion, five hundred twelve million, two thousand, one hundred forty-two".