1319121606 has 16 divisors (see below), whose sum is σ = 2878083648. Its totient is φ = 399733800.

The previous prime is 1319121589. The next prime is 1319121619. The reversal of 1319121606 is 6061219131.

It is a super-2 number, since 2×1319121606² = 3480163622832038472, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 9993280 + ... + 9993411.

It is an arithmetic number, because the mean of its divisors is an integer number (179880228).

Almost surely, 2^1319121606 is an apocalyptic number.

1319121606 is an abundant number, since it is smaller than the sum of its proper divisors (1558962042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1319121606 is a wasteful number, since it uses less digits than its factorization.

1319121606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19986707.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1319121606 is about 36319.7137378587. The cubic root of 1319121606 is about 1096.7179321918.

The spelling of 1319121606 in words is "one billion, three hundred nineteen million, one hundred twenty-one thousand, six hundred six".