1499101905 has 64 divisors (see below), whose sum is σ = 2970114048. Its totient is φ = 629959680.

The previous prime is 1499101897. The next prime is 1499101931. The reversal of 1499101905 is 5091019941.

It is not a de Polignac number, because 1499101905 - 2³ = 1499101897 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 66990 + ... + 86520.

It is an arithmetic number, because the mean of its divisors is an integer number (46408032).

Almost surely, 2^1499101905 is an apocalyptic number.

1499101905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1499101905 is a deficient number, since it is larger than the sum of its proper divisors (1471012143).

1499101905 is a wasteful number, since it uses less digits than its factorization.

1499101905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19606.

The product of its (nonzero) digits is 14580, while the sum is 39.

The square root of 1499101905 is about 38718.2373694878. The cubic root of 1499101905 is about 1144.4857386904.

The spelling of 1499101905 in words is "one billion, four hundred ninety-nine million, one hundred one thousand, nine hundred five".