2120142003 has 16 divisors (see below), whose sum is σ = 3232935936. Its totient is φ = 1210668480.

The previous prime is 2120141983. The next prime is 2120142019. The reversal of 2120142003 is 3002410212.

It is not a de Polignac number, because 2120142003 - 2⁵ = 2120141971 is a prime.

It is a super-2 number, since 2×2120142003² = 8990004225769704018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120142043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3426 + ... + 65207.

It is an arithmetic number, because the mean of its divisors is an integer number (202058496).

Almost surely, 2^2120142003 is an apocalyptic number.

2120142003 is a deficient number, since it is larger than the sum of its proper divisors (1112793933).

2120142003 is a wasteful number, since it uses less digits than its factorization.

2120142003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70114.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2120142003 is about 46044.9997611033. Note that the first 3 decimals coincide. The cubic root of 2120142003 is about 1284.6603397056.

Adding to 2120142003 its reverse (3002410212), we get a palindrome (5122552215).

Subtracting 2120142003 from its reverse (3002410212), we obtain a square (882268209 = 29703²).

The spelling of 2120142003 in words is "two billion, one hundred twenty million, one hundred forty-two thousand, three".