1252224041 has 4 divisors (see below), whose sum is σ = 1286067972. Its totient is φ = 1218380112.

The previous prime is 1252224007. The next prime is 1252224047. The reversal of 1252224041 is 1404222521.

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 890425600 + 361798441 = 29840^2 + 19021^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252224041 - 2¹⁴ = 1252207657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252223998 and 1252224016.

It is not an unprimeable number, because it can be changed into a prime (1252224047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16921910 + ... + 16921983.

It is an arithmetic number, because the mean of its divisors is an integer number (321516993).

Almost surely, 2^1252224041 is an apocalyptic number.

It is an amenable number.

1252224041 is a deficient number, since it is larger than the sum of its proper divisors (33843931).

1252224041 is an equidigital number, since it uses as much as digits as its factorization.

1252224041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33843930.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1252224041 is about 35386.7777708002. Note that the first 5 decimals coincide. The cubic root of 1252224041 is about 1077.8558399661.

Adding to 1252224041 its reverse (1404222521), we get a palindrome (2656446562).

It can be divided in two parts, 12522 and 24041, that added together give a palindrome (36563).

The spelling of 1252224041 in words is "one billion, two hundred fifty-two million, two hundred twenty-four thousand, forty-one".