1252949 has 4 divisors (see below), whose sum is σ = 1265964. Its totient is φ = 1239936.

The previous prime is 1252943. The next prime is 1252957. The reversal of 1252949 is 9492521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 624100 + 628849 = 790^2 + 793^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252949 - 2¹⁶ = 1187413 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252943) 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, 6362 + ... + 6555.

It is an arithmetic number, because the mean of its divisors is an integer number (316491).

2^1252949 is an apocalyptic number.

It is an amenable number.

1252949 is a deficient number, since it is larger than the sum of its proper divisors (13015).

1252949 is an equidigital number, since it uses as much as digits as its factorization.

1252949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13014.

The product of its digits is 6480, while the sum is 32.

The square root of 1252949 is about 1119.3520447116. The cubic root of 1252949 is about 107.8063803430.

The spelling of 1252949 in words is "one million, two hundred fifty-two thousand, nine hundred forty-nine".