1241633951 has 2 divisors, whose sum is σ = 1241633952. Its totient is φ = 1241633950.

The previous prime is 1241633881. The next prime is 1241633957. The reversal of 1241633951 is 1593361421.

It is a strong prime.

It is an emirp because it is prime and its reverse (1593361421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241633951 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241633957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620816975 + 620816976.

It is an arithmetic number, because the mean of its divisors is an integer number (620816976).

Almost surely, 2^1241633951 is an apocalyptic number.

1241633951 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241633951 is an equidigital number, since it uses as much as digits as its factorization.

1241633951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 1241633951 is about 35236.8266306715. The cubic root of 1241633951 is about 1074.8087493916.

The spelling of 1241633951 in words is "one billion, two hundred forty-one million, six hundred thirty-three thousand, nine hundred fifty-one".