1375039 has 2 divisors, whose sum is σ = 1375040. Its totient is φ = 1375038.

The previous prime is 1375037. The next prime is 1375043. The reversal of 1375039 is 9305731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1375039 - 2¹ = 1375037 is a prime.

Together with 1375037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1374998 and 1375016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1375037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687519 + 687520.

It is an arithmetic number, because the mean of its divisors is an integer number (687520).

2^1375039 is an apocalyptic number.

1375039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375039 is an equidigital number, since it uses as much as digits as its factorization.

1375039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 1375039 is about 1172.6205694938. The cubic root of 1375039 is about 111.2000558546.

The spelling of 1375039 in words is "one million, three hundred seventy-five thousand, thirty-nine".