1232178047 has 2 divisors, whose sum is σ = 1232178048. Its totient is φ = 1232178046.

The previous prime is 1232177983. The next prime is 1232178121. The reversal of 1232178047 is 7408712321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1232178047 - 2⁶ = 1232177983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232177998 and 1232178016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232175047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616089023 + 616089024.

It is an arithmetic number, because the mean of its divisors is an integer number (616089024).

Almost surely, 2^1232178047 is an apocalyptic number.

1232178047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232178047 is an equidigital number, since it uses as much as digits as its factorization.

1232178047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 1232178047 is about 35102.3937502843. The cubic root of 1232178047 is about 1072.0733220877.

The spelling of 1232178047 in words is "one billion, two hundred thirty-two million, one hundred seventy-eight thousand, forty-seven".