1241140427 has 4 divisors (see below), whose sum is σ = 1241852616. Its totient is φ = 1240428240.

The previous prime is 1241140391. The next prime is 1241140429. The reversal of 1241140427 is 7240411421.

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

It is a cyclic number.

It is not a de Polignac number, because 1241140427 - 2¹⁴ = 1241124043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1241140396 and 1241140405.

It is not an unprimeable number, because it can be changed into a prime (1241140429) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 353474 + ... + 356967.

It is an arithmetic number, because the mean of its divisors is an integer number (310463154).

Almost surely, 2^1241140427 is an apocalyptic number.

1241140427 is a deficient number, since it is larger than the sum of its proper divisors (712189).

1241140427 is an equidigital number, since it uses as much as digits as its factorization.

1241140427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712188.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 1241140427 is about 35229.8229771312. The cubic root of 1241140427 is about 1074.6663257171. Note that the first 3 decimals are identical.

Adding to 1241140427 its reverse (7240411421), we get a palindrome (8481551848).

The spelling of 1241140427 in words is "one billion, two hundred forty-one million, one hundred forty thousand, four hundred twenty-seven".