1252126 has 4 divisors (see below), whose sum is σ = 1878192. Its totient is φ = 626062.

The previous prime is 1252123. The next prime is 1252129. The reversal of 1252126 is 6212521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6212521 = 7 ⋅887503.

It is an interprime number because it is at equal distance from previous prime (1252123) and next prime (1252129).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252123) 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, 313030 + ... + 313033.

It is an arithmetic number, because the mean of its divisors is an integer number (469548).

2^1252126 is an apocalyptic number.

1252126 is a deficient number, since it is larger than the sum of its proper divisors (626066).

1252126 is an equidigital number, since it uses as much as digits as its factorization.

1252126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626065.

The product of its digits is 240, while the sum is 19.

The square root of 1252126 is about 1118.9843609274. The cubic root of 1252126 is about 107.7827709531.

Adding to 1252126 its reverse (6212521), we get a palindrome (7464647).

It can be divided in two parts, 1252 and 126, that added together give a triangular number (1378 = T₅₂).

The spelling of 1252126 in words is "one million, two hundred fifty-two thousand, one hundred twenty-six".