1003120142 has 16 divisors (see below), whose sum is σ = 1510596000. Its totient is φ = 499593120.

The previous prime is 1003120141. The next prime is 1003120159. The reversal of 1003120142 is 2410213001.

It is a super-2 number, since 2×1003120142² = 2012500038572200328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003120141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848792 + ... + 849972.

It is an arithmetic number, because the mean of its divisors is an integer number (94412250).

Almost surely, 2^1003120142 is an apocalyptic number.

1003120142 is a deficient number, since it is larger than the sum of its proper divisors (507475858).

1003120142 is a wasteful number, since it uses less digits than its factorization.

1003120142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1003120142 is about 31672.0719562204. The cubic root of 1003120142 is about 1001.0389675060.

Adding to 1003120142 its reverse (2410213001), we get a palindrome (3413333143).

The spelling of 1003120142 in words is "one billion, three million, one hundred twenty thousand, one hundred forty-two".