1145527 has 4 divisors (see below), whose sum is σ = 1150560. Its totient is φ = 1140496.

The previous prime is 1145509. The next prime is 1145533. The reversal of 1145527 is 7255411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7255411 = 751 ⋅9661.

It is a cyclic number.

It is not a de Polignac number, because 1145527 - 2¹⁹ = 621239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2158 + ... + 2635.

It is an arithmetic number, because the mean of its divisors is an integer number (287640).

2^1145527 is an apocalyptic number.

1145527 is a deficient number, since it is larger than the sum of its proper divisors (5033).

1145527 is an equidigital number, since it uses as much as digits as its factorization.

1145527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032.

The product of its digits is 1400, while the sum is 25.

The square root of 1145527 is about 1070.2929505514. The cubic root of 1145527 is about 104.6329435941.

The spelling of 1145527 in words is "one million, one hundred forty-five thousand, five hundred twenty-seven".