1252356041 has 4 divisors (see below), whose sum is σ = 1267444752. Its totient is φ = 1237267332.

The previous prime is 1252356013. The next prime is 1252356059. The reversal of 1252356041 is 1406532521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1406532521 = 139 ⋅10118939.

It is a cyclic number.

It is not a de Polignac number, because 1252356041 - 2⁶ = 1252355977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1252355995 and 1252356013.

It is not an unprimeable number, because it can be changed into a prime (1252356071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7544231 + ... + 7544396.

It is an arithmetic number, because the mean of its divisors is an integer number (316861188).

Almost surely, 2^1252356041 is an apocalyptic number.

It is an amenable number.

1252356041 is a deficient number, since it is larger than the sum of its proper divisors (15088711).

1252356041 is an equidigital number, since it uses as much as digits as its factorization.

1252356041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15088710.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1252356041 is about 35388.6428250647. The cubic root of 1252356041 is about 1077.8937117759.

Adding to 1252356041 its reverse (1406532521), we get a palindrome (2658888562).

The spelling of 1252356041 in words is "one billion, two hundred fifty-two million, three hundred fifty-six thousand, forty-one".