1242010143 has 48 divisors (see below), whose sum is σ = 2053209600. Its totient is φ = 716126400.

The previous prime is 1242010141. The next prime is 1242010181. The reversal of 1242010143 is 3410102421.

It is not a de Polignac number, because 1242010143 - 2¹ = 1242010141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242010141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 451753 + ... + 454493.

It is an arithmetic number, because the mean of its divisors is an integer number (42775200).

Almost surely, 2^1242010143 is an apocalyptic number.

1242010143 is a deficient number, since it is larger than the sum of its proper divisors (811199457).

1242010143 is a wasteful number, since it uses less digits than its factorization.

1242010143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980 (or 2977 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1242010143 is about 35242.1642780349. The cubic root of 1242010143 is about 1074.9172874526.

Adding to 1242010143 its reverse (3410102421), we get a palindrome (4652112564).

The spelling of 1242010143 in words is "one billion, two hundred forty-two million, ten thousand, one hundred forty-three".