1234472157671 has 2 divisors, whose sum is σ = 1234472157672. Its totient is φ = 1234472157670.

The previous prime is 1234472157649. The next prime is 1234472157703. The reversal of 1234472157671 is 1767512744321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1234472157671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234472157571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617236078835 + 617236078836.

It is an arithmetic number, because the mean of its divisors is an integer number (617236078836).

Almost surely, 2^{1234472157671} is an apocalyptic number.

1234472157671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234472157671 is an equidigital number, since it uses as much as digits as its factorization.

1234472157671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1975680, while the sum is 50.

The spelling of 1234472157671 in words is "one trillion, two hundred thirty-four billion, four hundred seventy-two million, one hundred fifty-seven thousand, six hundred seventy-one".