1241000401 has 4 divisors (see below), whose sum is σ = 1281032704. Its totient is φ = 1200968100.

The previous prime is 1241000381. The next prime is 1241000429. The reversal of 1241000401 is 1040001421.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1040001421 = 2281 ⋅455941.

It is a cyclic number.

It is not a de Polignac number, because 1241000401 - 2⁹ = 1240999889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241000701) 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, 20016105 + ... + 20016166.

It is an arithmetic number, because the mean of its divisors is an integer number (320258176).

Almost surely, 2^1241000401 is an apocalyptic number.

It is an amenable number.

1241000401 is a deficient number, since it is larger than the sum of its proper divisors (40032303).

1241000401 is an equidigital number, since it uses as much as digits as its factorization.

1241000401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40032302.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1241000401 is about 35227.8355991395. The cubic root of 1241000401 is about 1074.6259094238.

Adding to 1241000401 its reverse (1040001421), we get a palindrome (2281001822).

The spelling of 1241000401 in words is "one billion, two hundred forty-one million, four hundred one", and thus it is an aban number.