127320400 has 30 divisors (see below), whose sum is σ = 305888222. Its totient is φ = 50928000.

The previous prime is 127320383. The next prime is 127320437. The reversal of 127320400 is 4023721.

It can be written as a sum of positive squares in 3 ways, for example, as 20322064 + 106998336 = 4508^2 + 10344^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158751 + ... + 159550.

Almost surely, 2^127320400 is an apocalyptic number.

127320400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127320400 is an abundant number, since it is smaller than the sum of its proper divisors (178567822).

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

127320400 is a wasteful number, since it uses less digits than its factorization.

127320400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318319 (or 318308 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 127320400 is about 11283.6341663491. The cubic root of 127320400 is about 503.0749176644.

The spelling of 127320400 in words is "one hundred twenty-seven million, three hundred twenty thousand, four hundred".