1343760121 has 24 divisors (see below), whose sum is σ = 1568941920. Its totient is φ = 1141094400.

The previous prime is 1343760091. The next prime is 1343760139. The reversal of 1343760121 is 1210673431.

It is not a de Polignac number, because 1343760121 - 2⁷ = 1343759993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1343760121.

It is not an unprimeable number, because it can be changed into a prime (1343760151) 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 23 ways as a sum of consecutive naturals, for example, 440361 + ... + 443401.

It is an arithmetic number, because the mean of its divisors is an integer number (65372580).

Almost surely, 2^1343760121 is an apocalyptic number.

1343760121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1343760121 is a deficient number, since it is larger than the sum of its proper divisors (225181799).

1343760121 is a wasteful number, since it uses less digits than its factorization.

1343760121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225 (or 3208 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1343760121 is about 36657.3337955722. Note that the first 3 decimals coincide. The cubic root of 1343760121 is about 1103.5040110931.

The spelling of 1343760121 in words is "one billion, three hundred forty-three million, seven hundred sixty thousand, one hundred twenty-one".