1234142401 has 4 divisors (see below), whose sum is σ = 1238696704. Its totient is φ = 1229588100.

The previous prime is 1234142389. The next prime is 1234142417. The reversal of 1234142401 is 1042414321.

It is a happy number.

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: 1042414321 = 13 ⋅80185717.

It is a cyclic number.

It is not a de Polignac number, because 1234142401 - 2²⁹ = 697271489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234142431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2276745 + ... + 2277286.

It is an arithmetic number, because the mean of its divisors is an integer number (309674176).

Almost surely, 2^1234142401 is an apocalyptic number.

It is an amenable number.

1234142401 is a deficient number, since it is larger than the sum of its proper divisors (4554303).

1234142401 is an equidigital number, since it uses as much as digits as its factorization.

1234142401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554302.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1234142401 is about 35130.3629500180. The cubic root of 1234142401 is about 1072.6427239456.

Adding to 1234142401 its reverse (1042414321), we get a palindrome (2276556722).

The spelling of 1234142401 in words is "one billion, two hundred thirty-four million, one hundred forty-two thousand, four hundred one".