1343099121 has 16 divisors (see below), whose sum is σ = 2204060544. Its totient is φ = 708447744.

The previous prime is 1343099101. The next prime is 1343099137. The reversal of 1343099121 is 1219903431.

It is a happy number.

It is not a de Polignac number, because 1343099121 - 2¹⁸ = 1342836977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1343099101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2459616 + ... + 2460161.

It is an arithmetic number, because the mean of its divisors is an integer number (137753784).

Almost surely, 2^1343099121 is an apocalyptic number.

It is an amenable number.

1343099121 is a deficient number, since it is larger than the sum of its proper divisors (860961423).

1343099121 is a wasteful number, since it uses less digits than its factorization.

1343099121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919800.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 1343099121 is about 36648.3167553436. The cubic root of 1343099121 is about 1103.3230423390.

The spelling of 1343099121 in words is "one billion, three hundred forty-three million, ninety-nine thousand, one hundred twenty-one".