1241402047 has 2 divisors, whose sum is σ = 1241402048. Its totient is φ = 1241402046.

The previous prime is 1241402027. The next prime is 1241402077. The reversal of 1241402047 is 7402041421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241402047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241402027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620701023 + 620701024.

It is an arithmetic number, because the mean of its divisors is an integer number (620701024).

Almost surely, 2^1241402047 is an apocalyptic number.

1241402047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241402047 is an equidigital number, since it uses as much as digits as its factorization.

1241402047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 1241402047 is about 35233.5358288095. The cubic root of 1241402047 is about 1074.7418300531.

Adding to 1241402047 its reverse (7402041421), we get a palindrome (8643443468).

The spelling of 1241402047 in words is "one billion, two hundred forty-one million, four hundred two thousand, forty-seven".