1343121045 has 32 divisors (see below), whose sum is σ = 2462545920. Its totient is φ = 612360000.

The previous prime is 1343121019. The next prime is 1343121103. The reversal of 1343121045 is 5401213431.

It is a happy number.

It is not a de Polignac number, because 1343121045 - 2⁹ = 1343120533 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 22920 + ... + 56670.

It is an arithmetic number, because the mean of its divisors is an integer number (76954560).

Almost surely, 2^1343121045 is an apocalyptic number.

1343121045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1343121045 is a deficient number, since it is larger than the sum of its proper divisors (1119424875).

1343121045 is a wasteful number, since it uses less digits than its factorization.

1343121045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34145.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1343121045 is about 36648.6158674513. The cubic root of 1343121045 is about 1103.3290456494.

Adding to 1343121045 its reverse (5401213431), we get a palindrome (6744334476).

The spelling of 1343121045 in words is "one billion, three hundred forty-three million, one hundred twenty-one thousand, forty-five".