1379069 has 2 divisors, whose sum is σ = 1379070. Its totient is φ = 1379068.

The previous prime is 1379047. The next prime is 1379071. The reversal of 1379069 is 9609731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1188100 + 190969 = 1090^2 + 437^2 .

It is a cyclic number.

It is not a de Polignac number, because 1379069 - 2⁸ = 1378813 is a prime.

It is a super-2 number, since 2×1379069² = 3803662613522, which contains 22 as substring.

Together with 1379071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1379029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689534 + 689535.

It is an arithmetic number, because the mean of its divisors is an integer number (689535).

2^1379069 is an apocalyptic number.

It is an amenable number.

1379069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379069 is an equidigital number, since it uses as much as digits as its factorization.

1379069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 1379069 is about 1174.3376856765. The cubic root of 1379069 is about 111.3085858995.

It can be divided in two parts, 13790 and 69, that multiplied together give a triangular number (951510 = T₁₃₇₉).

The spelling of 1379069 in words is "one million, three hundred seventy-nine thousand, sixty-nine".