1245351154241 has 4 divisors (see below), whose sum is σ = 1245666996672. Its totient is φ = 1245035311812.

The previous prime is 1245351154237. The next prime is 1245351154247. The reversal of 1245351154241 is 1424511535421.

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.

It is a cyclic number.

It is not a de Polignac number, because 1245351154241 - 2² = 1245351154237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1245351154195 and 1245351154204.

It is not an unprimeable number, because it can be changed into a prime (1245351154247) 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, 157915301 + ... + 157923186.

It is an arithmetic number, because the mean of its divisors is an integer number (311416749168).

Almost surely, 2^{1245351154241} is an apocalyptic number.

It is an amenable number.

1245351154241 is a deficient number, since it is larger than the sum of its proper divisors (315842431).

1245351154241 is an equidigital number, since it uses as much as digits as its factorization.

1245351154241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315842430.

The product of its digits is 96000, while the sum is 38.

Adding to 1245351154241 its reverse (1424511535421), we get a palindrome (2669862689662).

The spelling of 1245351154241 in words is "one trillion, two hundred forty-five billion, three hundred fifty-one million, one hundred fifty-four thousand, two hundred forty-one".