127020798 has 40 divisors (see below), whose sum is σ = 285274440. Its totient is φ = 42243120.

The previous prime is 127020767. The next prime is 127020799. The reversal of 127020798 is 897020721.

It is a super-2 number, since 2×127020798² = 32268566249113608, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127020799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 119188 + ... + 120248.

It is an arithmetic number, because the mean of its divisors is an integer number (7131861).

Almost surely, 2^127020798 is an apocalyptic number.

127020798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

127020798 is an abundant number, since it is smaller than the sum of its proper divisors (158253642).

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

127020798 is a wasteful number, since it uses less digits than its factorization.

127020798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814 (or 1805 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 127020798 is about 11270.3503938431. The cubic root of 127020798 is about 502.6800067952.

The spelling of 127020798 in words is "one hundred twenty-seven million, twenty thousand, seven hundred ninety-eight".