127220985426 has 32 divisors (see below), whose sum is σ = 273430192320. Its totient is φ = 39316755456.

The previous prime is 127220985421. The next prime is 127220985427. The reversal of 127220985426 is 624589022721.

It is not an unprimeable number, because it can be changed into a prime (127220985421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9301111 + ... + 9314778.

It is an arithmetic number, because the mean of its divisors is an integer number (8544693510).

Almost surely, 2^127220985426 is an apocalyptic number.

127220985426 is an abundant number, since it is smaller than the sum of its proper divisors (146209206894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127220985426 is a wasteful number, since it uses less digits than its factorization.

127220985426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18615978.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 127220985426 in words is "one hundred twenty-seven billion, two hundred twenty million, nine hundred eighty-five thousand, four hundred twenty-six".