1349475123 has 16 divisors (see below), whose sum is σ = 1835612672. Its totient is φ = 881604000.

The previous prime is 1349475121. The next prime is 1349475143. The reversal of 1349475123 is 3215749431.

It is not a de Polignac number, because 1349475123 - 2¹ = 1349475121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1349475121) 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 15 ways as a sum of consecutive naturals, for example, 35988 + ... + 63198.

It is an arithmetic number, because the mean of its divisors is an integer number (114725792).

Almost surely, 2^1349475123 is an apocalyptic number.

1349475123 is a deficient number, since it is larger than the sum of its proper divisors (486137549).

1349475123 is a wasteful number, since it uses less digits than its factorization.

1349475123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27546.

The product of its digits is 90720, while the sum is 39.

The square root of 1349475123 is about 36735.2027760839. The cubic root of 1349475123 is about 1105.0661966990.

The spelling of 1349475123 in words is "one billion, three hundred forty-nine million, four hundred seventy-five thousand, one hundred twenty-three".