11021249 has 2 divisors, whose sum is σ = 11021250. Its totient is φ = 11021248.

The previous prime is 11021183. The next prime is 11021261. The reversal of 11021249 is 94212011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6150400 + 4870849 = 2480^2 + 2207^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021249 - 2¹⁶ = 10955713 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11021249.

It is not a weakly prime, because it can be changed into another prime (11021279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510624 + 5510625.

It is an arithmetic number, because the mean of its divisors is an integer number (5510625).

Almost surely, 2^11021249 is an apocalyptic number.

It is an amenable number.

11021249 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021249 is an equidigital number, since it uses as much as digits as its factorization.

11021249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 11021249 is about 3319.8266521010. The cubic root of 11021249 is about 222.5411210452.

The spelling of 11021249 in words is "eleven million, twenty-one thousand, two hundred forty-nine".