1343120401 has 4 divisors (see below), whose sum is σ = 1534994752. Its totient is φ = 1151246052.

The previous prime is 1343120371. The next prime is 1343120447. The reversal of 1343120401 is 1040213431.

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 1343120401 - 2⁵ = 1343120369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343120201) 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, 95937165 + ... + 95937178.

It is an arithmetic number, because the mean of its divisors is an integer number (383748688).

Almost surely, 2^1343120401 is an apocalyptic number.

It is an amenable number.

1343120401 is a deficient number, since it is larger than the sum of its proper divisors (191874351).

1343120401 is an equidigital number, since it uses as much as digits as its factorization.

1343120401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191874350.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1343120401 is about 36648.6070813067. The cubic root of 1343120401 is about 1103.3288693079.

Adding to 1343120401 its reverse (1040213431), we get a palindrome (2383333832).

The spelling of 1343120401 in words is "one billion, three hundred forty-three million, one hundred twenty thousand, four hundred one".