1671115123 has 8 divisors (see below), whose sum is σ = 1675499040. Its totient is φ = 1666738560.

The previous prime is 1671115093. The next prime is 1671115133. The reversal of 1671115123 is 3215111761.

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 1671115123 - 2²¹ = 1669017971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1671115091 and 1671115100.

It is not an unprimeable number, because it can be changed into a prime (1671115133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121563 + ... + 1123051.

It is an arithmetic number, because the mean of its divisors is an integer number (209437380).

Almost surely, 2^1671115123 is an apocalyptic number.

1671115123 is a deficient number, since it is larger than the sum of its proper divisors (4383917).

1671115123 is a wasteful number, since it uses less digits than its factorization.

1671115123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677.

The product of its digits is 1260, while the sum is 28.

The square root of 1671115123 is about 40879.2749813399. The cubic root of 1671115123 is about 1186.6850100354.

Adding to 1671115123 its reverse (3215111761), we get a palindrome (4886226884).

The spelling of 1671115123 in words is "one billion, six hundred seventy-one million, one hundred fifteen thousand, one hundred twenty-three".