1241140442 has 4 divisors (see below), whose sum is σ = 1861710666. Its totient is φ = 620570220.

The previous prime is 1241140429. The next prime is 1241140457. The reversal of 1241140442 is 2440411421.

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

It can be written as a sum of positive squares in only one way, i.e., 1114825321 + 126315121 = 33389^2 + 11239^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310285109 + ... + 310285112.

Almost surely, 2^1241140442 is an apocalyptic number.

1241140442 is a deficient number, since it is larger than the sum of its proper divisors (620570224).

1241140442 is an equidigital number, since it uses as much as digits as its factorization.

1241140442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620570223.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1241140442 is about 35229.8231900190. The cubic root of 1241140442 is about 1074.6663300464. Note that the first 3 decimals are identical.

Adding to 1241140442 its reverse (2440411421), we get a palindrome (3681551863).

The spelling of 1241140442 in words is "one billion, two hundred forty-one million, one hundred forty thousand, four hundred forty-two".