1252451020241 has 8 divisors (see below), whose sum is σ = 1267522713600. Its totient is φ = 1237462827120.

The previous prime is 1252451020199. The next prime is 1252451020283. The reversal of 1252451020241 is 1420201542521.

It is an interprime number because it is at equal distance from previous prime (1252451020199) and next prime (1252451020283).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252451020241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252451020291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20844881 + ... + 20904878.

It is an arithmetic number, because the mean of its divisors is an integer number (158440339200).

Almost surely, 2^{1252451020241} is an apocalyptic number.

It is an amenable number.

1252451020241 is a deficient number, since it is larger than the sum of its proper divisors (15071693359).

1252451020241 is a wasteful number, since it uses less digits than its factorization.

1252451020241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41750119.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 1252451020241 its reverse (1420201542521), we get a palindrome (2672652562762).

The spelling of 1252451020241 in words is "one trillion, two hundred fifty-two billion, four hundred fifty-one million, twenty thousand, two hundred forty-one".