1241563366 has 4 divisors (see below), whose sum is σ = 1862345052. Its totient is φ = 620781682.

The previous prime is 1241563357. The next prime is 1241563369. The reversal of 1241563366 is 6633651421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241563369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310390840 + ... + 310390843.

It is an arithmetic number, because the mean of its divisors is an integer number (465586263).

Almost surely, 2^1241563366 is an apocalyptic number.

1241563366 is a deficient number, since it is larger than the sum of its proper divisors (620781686).

1241563366 is an equidigital number, since it uses as much as digits as its factorization.

1241563366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620781685.

The product of its digits is 77760, while the sum is 37.

The square root of 1241563366 is about 35235.8250364597. The cubic root of 1241563366 is about 1074.7883819252.

The spelling of 1241563366 in words is "one billion, two hundred forty-one million, five hundred sixty-three thousand, three hundred sixty-six".