1385111207 has 2 divisors, whose sum is σ = 1385111208. Its totient is φ = 1385111206.

The previous prime is 1385111177. The next prime is 1385111281. The reversal of 1385111207 is 7021115831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1385111207 - 2¹⁰ = 1385110183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1385111207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1385111107) 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, 692555603 + 692555604.

It is an arithmetic number, because the mean of its divisors is an integer number (692555604).

Almost surely, 2^1385111207 is an apocalyptic number.

1385111207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385111207 is an equidigital number, since it uses as much as digits as its factorization.

1385111207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 1385111207 is about 37217.0821935304. The cubic root of 1385111207 is about 1114.7091030632.

The spelling of 1385111207 in words is "one billion, three hundred eighty-five million, one hundred eleven thousand, two hundred seven".