1253101242401 has 8 divisors (see below), whose sum is σ = 1296525971880. Its totient is φ = 1209690802432.

The previous prime is 1253101242391. The next prime is 1253101242403. The reversal of 1253101242401 is 1042421013521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 275573552401 + 977527690000 = 524951^2 + 988700^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1253101242401 - 2³⁸ = 978223335457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253101242403) 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, 3393800 + ... + 3744873.

It is an arithmetic number, because the mean of its divisors is an integer number (162065746485).

Almost surely, 2^{1253101242401} is an apocalyptic number.

It is an amenable number.

1253101242401 is a deficient number, since it is larger than the sum of its proper divisors (43424729479).

1253101242401 is an equidigital number, since it uses as much as digits as its factorization.

1253101242401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7144755.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1253101242401 its reverse (1042421013521), we get a palindrome (2295522255922).

The spelling of 1253101242401 in words is "one trillion, two hundred fifty-three billion, one hundred one million, two hundred forty-two thousand, four hundred one".