1146521 has 2 divisors, whose sum is σ = 1146522. Its totient is φ = 1146520.

The previous prime is 1146511. The next prime is 1146529. The reversal of 1146521 is 1256411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 931225 + 215296 = 965^2 + 464^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146521 - 2¹⁰ = 1145497 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1146493 and 1146502.

It is not a weakly prime, because it can be changed into another prime (1146529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573260 + 573261.

It is an arithmetic number, because the mean of its divisors is an integer number (573261).

2^1146521 is an apocalyptic number.

It is an amenable number.

1146521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146521 is an equidigital number, since it uses as much as digits as its factorization.

1146521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 20.

The square root of 1146521 is about 1070.7572087079. The cubic root of 1146521 is about 104.6631989782.

The spelling of 1146521 in words is "one million, one hundred forty-six thousand, five hundred twenty-one".