1249051 has 4 divisors (see below), whose sum is σ = 1272672. Its totient is φ = 1225432.

The previous prime is 1249049. The next prime is 1249057. The reversal of 1249051 is 1509421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1249051 - 2¹ = 1249049 is a prime.

It is a Duffinian number.

1249051 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1249057) 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 3 ways as a sum of consecutive naturals, for example, 11731 + ... + 11836.

It is an arithmetic number, because the mean of its divisors is an integer number (318168).

2^1249051 is an apocalyptic number.

1249051 is a deficient number, since it is larger than the sum of its proper divisors (23621).

1249051 is an equidigital number, since it uses as much as digits as its factorization.

1249051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23620.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1249051 is about 1117.6095024650. The cubic root of 1249051 is about 107.6944668196.

The spelling of 1249051 in words is "one million, two hundred forty-nine thousand, fifty-one".