2142120503 has 2 divisors, whose sum is σ = 2142120504. Its totient is φ = 2142120502.

The previous prime is 2142120371. The next prime is 2142120509. The reversal of 2142120503 is 3050212412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2142120503 - 2⁸ = 2142120247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142120509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071060251 + 1071060252.

It is an arithmetic number, because the mean of its divisors is an integer number (1071060252).

Almost surely, 2^2142120503 is an apocalyptic number.

2142120503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142120503 is an equidigital number, since it uses as much as digits as its factorization.

2142120503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2142120503 is about 46283.0476848705. The cubic root of 2142120503 is about 1289.0842413983.

Adding to 2142120503 its reverse (3050212412), we get a palindrome (5192332915).

The spelling of 2142120503 in words is "two billion, one hundred forty-two million, one hundred twenty thousand, five hundred three".