1375211 has 2 divisors, whose sum is σ = 1375212. Its totient is φ = 1375210.

The previous prime is 1375189. The next prime is 1375219. The reversal of 1375211 is 1125731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1375211 - 2¹⁰ = 1374187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1375219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687605 + 687606.

It is an arithmetic number, because the mean of its divisors is an integer number (687606).

2^1375211 is an apocalyptic number.

1375211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375211 is an equidigital number, since it uses as much as digits as its factorization.

1375211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 210, while the sum is 20.

The square root of 1375211 is about 1172.6939072068. The cubic root of 1375211 is about 111.2046922351.

The spelling of 1375211 in words is "one million, three hundred seventy-five thousand, two hundred eleven".