1249101 has 20 divisors (see below), whose sum is σ = 2133472. Its totient is φ = 713448.

The previous prime is 1249099. The next prime is 1249111. The reversal of 1249101 is 1019421.

It is not a de Polignac number, because 1249101 - 2¹ = 1249099 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 (1249111) 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 in 19 ways as a sum of consecutive naturals, for example, 535 + ... + 1668.

2^1249101 is an apocalyptic number.

It is an amenable number.

1249101 is a deficient number, since it is larger than the sum of its proper divisors (884371).

1249101 is an equidigital number, since it uses as much as digits as its factorization.

1249101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222 (or 2213 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1249101 is about 1117.6318714138. The cubic root of 1249101 is about 107.6959038176.

The spelling of 1249101 in words is "one million, two hundred forty-nine thousand, one hundred one".