1145371 has 2 divisors, whose sum is σ = 1145372. Its totient is φ = 1145370.

The previous prime is 1145369. The next prime is 1145381. The reversal of 1145371 is 1735411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145371 - 2¹ = 1145369 is a prime.

Together with 1145369, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1145311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572685 + 572686.

It is an arithmetic number, because the mean of its divisors is an integer number (572686).

2^1145371 is an apocalyptic number.

1145371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145371 is an equidigital number, since it uses as much as digits as its factorization.

1145371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420, while the sum is 22.

The square root of 1145371 is about 1070.2200708266. The cubic root of 1145371 is about 104.6281936755.

The spelling of 1145371 in words is "one million, one hundred forty-five thousand, three hundred seventy-one".