1334401243 has 4 divisors (see below), whose sum is σ = 1525030000. Its totient is φ = 1143772488.

The previous prime is 1334401219. The next prime is 1334401249. The reversal of 1334401243 is 3421044331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1334401243 - 2⁹ = 1334400731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1334401249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95314368 + ... + 95314381.

It is an arithmetic number, because the mean of its divisors is an integer number (381257500).

Almost surely, 2^1334401243 is an apocalyptic number.

1334401243 is a deficient number, since it is larger than the sum of its proper divisors (190628757).

1334401243 is an equidigital number, since it uses as much as digits as its factorization.

1334401243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190628756.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1334401243 is about 36529.4571955292. The cubic root of 1334401243 is about 1100.9361845517.

Adding to 1334401243 its reverse (3421044331), we get a palindrome (4755445574).

The spelling of 1334401243 in words is "one billion, three hundred thirty-four million, four hundred one thousand, two hundred forty-three".