1242422241 has 8 divisors (see below), whose sum is σ = 1660338240. Its totient is φ = 826393872.

The previous prime is 1242422213. The next prime is 1242422317. The reversal of 1242422241 is 1422242421.

It is a happy number.

1242422241 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1242422241 - 2¹³ = 1242414049 is a prime.

It is a super-2 number, since 2×1242422241² = 3087226049862924162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1242442241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470370 + ... + 473003.

It is an arithmetic number, because the mean of its divisors is an integer number (207542280).

Almost surely, 2^1242422241 is an apocalyptic number.

It is an amenable number.

1242422241 is a deficient number, since it is larger than the sum of its proper divisors (417915999).

1242422241 is an equidigital number, since it uses as much as digits as its factorization.

1242422241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943815.

The product of its digits is 2048, while the sum is 24.

The square root of 1242422241 is about 35248.0104544923. The cubic root of 1242422241 is about 1075.0361598798.

Adding to 1242422241 its reverse (1422242421), we get a palindrome (2664664662).

The spelling of 1242422241 in words is "one billion, two hundred forty-two million, four hundred twenty-two thousand, two hundred forty-one".