1241321403 has 8 divisors (see below), whose sum is σ = 1891537408. Its totient is φ = 709326504.

The previous prime is 1241321401. The next prime is 1241321407. The reversal of 1241321403 is 3041231421.

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

It is not a de Polignac number, because 1241321403 - 2¹ = 1241321401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 59110543 = 1241321403 / (1 + 2 + 4 + 1 + 3 + 2 + 1 + 4 + 0 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1241321403.

It is not an unprimeable number, because it can be changed into a prime (1241321401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29555251 + ... + 29555292.

It is an arithmetic number, because the mean of its divisors is an integer number (236442176).

Almost surely, 2^1241321403 is an apocalyptic number.

1241321403 is a deficient number, since it is larger than the sum of its proper divisors (650216005).

1241321403 is an equidigital number, since it uses as much as digits as its factorization.

1241321403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59110553.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1241321403 is about 35232.3913891748. The cubic root of 1241321403 is about 1074.7185570780.

Adding to 1241321403 its reverse (3041231421), we get a palindrome (4282552824).

The spelling of 1241321403 in words is "one billion, two hundred forty-one million, three hundred twenty-one thousand, four hundred three".