1249201 has 2 divisors, whose sum is σ = 1249202. Its totient is φ = 1249200.

The previous prime is 1249187. The next prime is 1249217. The reversal of 1249201 is 1029421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1199025 + 50176 = 1095^2 + 224^2 .

It is a cyclic number.

It is not a de Polignac number, because 1249201 - 2¹⁵ = 1216433 is a prime.

It is a Chen prime.

1249201 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1249301) 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, 624600 + 624601.

It is an arithmetic number, because the mean of its divisors is an integer number (624601).

2^1249201 is an apocalyptic number.

It is an amenable number.

1249201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1249201 is an equidigital number, since it uses as much as digits as its factorization.

1249201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1249201 is about 1117.6766079685. The cubic root of 1249201 is about 107.6987776987.

The spelling of 1249201 in words is "one million, two hundred forty-nine thousand, two hundred one".