201241142 has 16 divisors (see below), whose sum is σ = 304760400. Its totient is φ = 99658080.

The previous prime is 201241127. The next prime is 201241151. The reversal of 201241142 is 241142102.

It is a self number, because there is not a number n which added to its sum of digits gives 201241142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196592 + ... + 197612.

It is an arithmetic number, because the mean of its divisors is an integer number (19047525).

Almost surely, 2^201241142 is an apocalyptic number.

201241142 is a deficient number, since it is larger than the sum of its proper divisors (103519258).

201241142 is a wasteful number, since it uses less digits than its factorization.

201241142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 201241142 is about 14185.9487521984. The cubic root of 201241142 is about 586.0107609450.

Adding to 201241142 its reverse (241142102), we get a palindrome (442383244).

The spelling of 201241142 in words is "two hundred one million, two hundred forty-one thousand, one hundred forty-two".