127230722957 has 4 divisors (see below), whose sum is σ = 137017701660. Its totient is φ = 117443744256.

The previous prime is 127230722953. The next prime is 127230722959. The reversal of 127230722957 is 759227032721.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29174689636 + 98056033321 = 170806^2 + 313139^2 .

It is a cyclic number.

It is not a de Polignac number, because 127230722957 - 2² = 127230722953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127230722953) 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, 4893489332 + ... + 4893489357.

It is an arithmetic number, because the mean of its divisors is an integer number (34254425415).

Almost surely, 2^127230722957 is an apocalyptic number.

It is an amenable number.

127230722957 is a deficient number, since it is larger than the sum of its proper divisors (9786978703).

127230722957 is an equidigital number, since it uses as much as digits as its factorization.

127230722957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9786978702.

The product of its (nonzero) digits is 740880, while the sum is 47.

The spelling of 127230722957 in words is "one hundred twenty-seven billion, two hundred thirty million, seven hundred twenty-two thousand, nine hundred fifty-seven".