127520240788228 has 6 divisors (see below), whose sum is σ = 223160421379406. Its totient is φ = 63760120394112.

The previous prime is 127520240788153. The next prime is 127520240788277. The reversal of 127520240788228 is 822887042025721.

It can be written as a sum of positive squares in only one way, i.e., 69659755522564 + 57860485265664 = 8346242^2 + 7606608^2 .

It is a super-2 number, since 2×127520240788228² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15940030098525 + ... + 15940030098532.

Almost surely, 2^{127520240788228} is an apocalyptic number.

It is an amenable number.

127520240788228 is a deficient number, since it is larger than the sum of its proper divisors (95640180591178).

127520240788228 is a wasteful number, since it uses less digits than its factorization.

127520240788228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31880060197061 (or 31880060197059 counting only the distinct ones).

The product of its (nonzero) digits is 16056320, while the sum is 58.

The spelling of 127520240788228 in words is "one hundred twenty-seven trillion, five hundred twenty billion, two hundred forty million, seven hundred eighty-eight thousand, two hundred twenty-eight".