1241215472641 has 4 divisors (see below), whose sum is σ = 1306542602800. Its totient is φ = 1175888342484.

The previous prime is 1241215472611. The next prime is 1241215472677. The reversal of 1241215472641 is 1462745121421.

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 a de Polignac number, because none of the positive numbers 2^k-1241215472641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1241215472594 and 1241215472603.

It is not an unprimeable number, because it can be changed into a prime (1241215472611) 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, 32663565051 + ... + 32663565088.

It is an arithmetic number, because the mean of its divisors is an integer number (326635650700).

Almost surely, 2^{1241215472641} is an apocalyptic number.

It is an amenable number.

1241215472641 is a deficient number, since it is larger than the sum of its proper divisors (65327130159).

1241215472641 is an equidigital number, since it uses as much as digits as its factorization.

1241215472641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65327130158.

The product of its digits is 107520, while the sum is 40.

The spelling of 1241215472641 in words is "one trillion, two hundred forty-one billion, two hundred fifteen million, four hundred seventy-two thousand, six hundred forty-one".