1231182670057 has 4 divisors (see below), whose sum is σ = 1231765894656. Its totient is φ = 1230599445460.

The previous prime is 1231182670033. The next prime is 1231182670111. The reversal of 1231182670057 is 7500762811321.

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 1231182670057 - 2³¹ = 1229035186409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1231182669995 and 1231182670022.

It is not an unprimeable number, because it can be changed into a prime (1231182670027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291609133 + ... + 291613354.

It is an arithmetic number, because the mean of its divisors is an integer number (307941473664).

Almost surely, 2^{1231182670057} is an apocalyptic number.

It is an amenable number.

1231182670057 is a deficient number, since it is larger than the sum of its proper divisors (583224599).

1231182670057 is an equidigital number, since it uses as much as digits as its factorization.

1231182670057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583224598.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 1231182670057 in words is "one trillion, two hundred thirty-one billion, one hundred eighty-two million, six hundred seventy thousand, fifty-seven".