1252943 has 2 divisors, whose sum is σ = 1252944. Its totient is φ = 1252942.

The previous prime is 1252921. The next prime is 1252957. The reversal of 1252943 is 3492521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1252943 - 2¹⁰ = 1251919 is a prime.

It is a super-2 number, since 2×1252943² = 3139732322498, which contains 22 as substring.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626471 + 626472.

It is an arithmetic number, because the mean of its divisors is an integer number (626472).

2^1252943 is an apocalyptic number.

1252943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252943 is an equidigital number, since it uses as much as digits as its factorization.

1252943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 1252943 is about 1119.3493645864. The cubic root of 1252943 is about 107.8062082585.

The spelling of 1252943 in words is "one million, two hundred fifty-two thousand, nine hundred forty-three".