1241442142 has 4 divisors (see below), whose sum is σ = 1862163216. Its totient is φ = 620721070.

The previous prime is 1241442131. The next prime is 1241442143. The reversal of 1241442142 is 2412441421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241442143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310360534 + ... + 310360537.

It is an arithmetic number, because the mean of its divisors is an integer number (465540804).

Almost surely, 2^1241442142 is an apocalyptic number.

1241442142 is a deficient number, since it is larger than the sum of its proper divisors (620721074).

1241442142 is an equidigital number, since it uses as much as digits as its factorization.

1241442142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620721073.

The product of its digits is 2048, while the sum is 25.

The square root of 1241442142 is about 35234.1048133765. The cubic root of 1241442142 is about 1074.7534006559.

Adding to 1241442142 its reverse (2412441421), we get a palindrome (3653883563).

The spelling of 1241442142 in words is "one billion, two hundred forty-one million, four hundred forty-two thousand, one hundred forty-two".