1379125039 has 2 divisors, whose sum is σ = 1379125040. Its totient is φ = 1379125038.

The previous prime is 1379125009. The next prime is 1379125049. The reversal of 1379125039 is 9305219731.

It is a strong prime.

It is an emirp because it is prime and its reverse (9305219731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1379125039 - 2²⁵ = 1345570607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1379124992 and 1379125010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1379125009) 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 as a sum of consecutive naturals, namely, 689562519 + 689562520.

It is an arithmetic number, because the mean of its divisors is an integer number (689562520).

Almost surely, 2^1379125039 is an apocalyptic number.

1379125039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379125039 is an equidigital number, since it uses as much as digits as its factorization.

1379125039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 1379125039 is about 37136.5727955610. The cubic root of 1379125039 is about 1113.1009356819.

The spelling of 1379125039 in words is "one billion, three hundred seventy-nine million, one hundred twenty-five thousand, thirty-nine".