1241240401 has 4 divisors (see below), whose sum is σ = 1244990704. Its totient is φ = 1237490100.

The previous prime is 1241240347. The next prime is 1241240419. The reversal of 1241240401 is 1040421421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1241240401 - 2²¹ = 1239143249 is a prime.

It is a pancake number, because a pancake can be divided into 1241240401 parts by 49824 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241243401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1874655 + ... + 1875316.

It is an arithmetic number, because the mean of its divisors is an integer number (311247676).

Almost surely, 2^1241240401 is an apocalyptic number.

It is an amenable number.

1241240401 is a deficient number, since it is larger than the sum of its proper divisors (3750303).

1241240401 is an equidigital number, since it uses as much as digits as its factorization.

1241240401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750302.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1241240401 is about 35231.2418316471. The cubic root of 1241240401 is about 1074.6951797732.

Adding to 1241240401 its reverse (1040421421), we get a palindrome (2281661822).

The spelling of 1241240401 in words is "one billion, two hundred forty-one million, two hundred forty thousand, four hundred one".