1241566403 has 8 divisors (see below), whose sum is σ = 1547927040. Its totient is φ = 967454280.

The previous prime is 1241566397. The next prime is 1241566451. The reversal of 1241566403 is 3046651421.

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

It is a cyclic number.

It is not a de Polignac number, because 1241566403 - 2¹⁶ = 1241500867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1241566403.

It is not an unprimeable number, because it can be changed into a prime (1241566493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8062043 + ... + 8062196.

It is an arithmetic number, because the mean of its divisors is an integer number (193490880).

Almost surely, 2^1241566403 is an apocalyptic number.

1241566403 is a deficient number, since it is larger than the sum of its proper divisors (306360637).

1241566403 is a wasteful number, since it uses less digits than its factorization.

1241566403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16124257.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1241566403 is about 35235.8681317773. The cubic root of 1241566403 is about 1074.7892582745.

The spelling of 1241566403 in words is "one billion, two hundred forty-one million, five hundred sixty-six thousand, four hundred three".