1241122042 has 4 divisors (see below), whose sum is σ = 1861683066. Its totient is φ = 620561020.

The previous prime is 1241122039. The next prime is 1241122061. The reversal of 1241122042 is 2402211421.

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., 1241082441 + 39601 = 35229^2 + 199^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310280509 + ... + 310280512.

Almost surely, 2^1241122042 is an apocalyptic number.

1241122042 is a deficient number, since it is larger than the sum of its proper divisors (620561024).

1241122042 is an equidigital number, since it uses as much as digits as its factorization.

1241122042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620561023.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1241122042 is about 35229.5620466676. The cubic root of 1241122042 is about 1074.6610193506.

Adding to 1241122042 its reverse (2402211421), we get a palindrome (3643333463).

It can be divided in two parts, 12411 and 22042, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 1241122042 in words is "one billion, two hundred forty-one million, one hundred twenty-two thousand, forty-two".