127620801232 has 10 divisors (see below), whose sum is σ = 247265302418. Its totient is φ = 63810400608.

The previous prime is 127620801227. The next prime is 127620801257. The reversal of 127620801232 is 232108026721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 127389031056 + 231770176 = 356916^2 + 15224^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3988150023 + ... + 3988150054.

Almost surely, 2^127620801232 is an apocalyptic number.

It is an amenable number.

127620801232 is a deficient number, since it is larger than the sum of its proper divisors (119644501186).

127620801232 is an equidigital number, since it uses as much as digits as its factorization.

127620801232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7976300085 (or 7976300079 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

Adding to 127620801232 its reverse (232108026721), we get a palindrome (359728827953).

The spelling of 127620801232 in words is "one hundred twenty-seven billion, six hundred twenty million, eight hundred one thousand, two hundred thirty-two".