1379201005 has 64 divisors (see below), whose sum is σ = 2116251648. Its totient is φ = 839393280.

The previous prime is 1379200997. The next prime is 1379201017. The reversal of 1379201005 is 5001029731.

It is not a de Polignac number, because 1379201005 - 2³ = 1379200997 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 (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3906909 + ... + 3907261.

It is an arithmetic number, because the mean of its divisors is an integer number (33066432).

Almost surely, 2^1379201005 is an apocalyptic number.

It is an amenable number.

1379201005 is a deficient number, since it is larger than the sum of its proper divisors (737050643).

1379201005 is a wasteful number, since it uses less digits than its factorization.

1379201005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 1379201005 is about 37137.5955737579. The cubic root of 1379201005 is about 1113.1213728603.

The spelling of 1379201005 in words is "one billion, three hundred seventy-nine million, two hundred one thousand, five".