1241140445 has 8 divisors (see below), whose sum is σ = 1494906840. Its totient is φ = 989220160.

The previous prime is 1241140429. The next prime is 1241140457. The reversal of 1241140445 is 5440411421.

It can be written as a sum of positive squares in 4 ways, for example, as 198916 + 1240941529 = 446^2 + 35227^2 .

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

It is not a de Polignac number, because 1241140445 - 2⁴ = 1241140429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460046 + ... + 462735.

It is an arithmetic number, because the mean of its divisors is an integer number (186863355).

Almost surely, 2^1241140445 is an apocalyptic number.

It is an amenable number.

1241140445 is a deficient number, since it is larger than the sum of its proper divisors (253766395).

1241140445 is an equidigital number, since it uses as much as digits as its factorization.

1241140445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923055.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 1241140445 is about 35229.8232325966. The cubic root of 1241140445 is about 1074.6663309123. Note that the first 3 decimals are identical.

Adding to 1241140445 its reverse (5440411421), we get a palindrome (6681551866).

The spelling of 1241140445 in words is "one billion, two hundred forty-one million, one hundred forty thousand, four hundred forty-five".