1207270561171 has 4 divisors (see below), whose sum is σ = 1278286476552. Its totient is φ = 1136254645792.

The previous prime is 1207270561153. The next prime is 1207270561229. The reversal of 1207270561171 is 1711650727021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1207270561171 - 2⁵ = 1207270561139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1207270561151) 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, 35507957665 + ... + 35507957698.

It is an arithmetic number, because the mean of its divisors is an integer number (319571619138).

Almost surely, 2^{1207270561171} is an apocalyptic number.

1207270561171 is a deficient number, since it is larger than the sum of its proper divisors (71015915381).

1207270561171 is an equidigital number, since it uses as much as digits as its factorization.

1207270561171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71015915380.

The product of its (nonzero) digits is 41160, while the sum is 40.

The spelling of 1207270561171 in words is "one trillion, two hundred seven billion, two hundred seventy million, five hundred sixty-one thousand, one hundred seventy-one".