127734228 has 18 divisors (see below), whose sum is σ = 322883834. Its totient is φ = 42578064.

The previous prime is 127734193. The next prime is 127734239. The reversal of 127734228 is 822437721.

It can be written as a sum of positive squares in only one way, i.e., 118984464 + 8749764 = 10908^2 + 2958^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3548173 = 127734228 / (1 + 2 + 7 + 7 + 3 + 4 + 2 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 127734192 and 127734201.

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, 1774051 + ... + 1774122.

Almost surely, 2^127734228 is an apocalyptic number.

127734228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

127734228 is an abundant number, since it is smaller than the sum of its proper divisors (195149606).

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

127734228 is a wasteful number, since it uses less digits than its factorization.

127734228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548183 (or 3548178 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 127734228 is about 11301.9568217190. The cubic root of 127734228 is about 503.6193743738.

The spelling of 127734228 in words is "one hundred twenty-seven million, seven hundred thirty-four thousand, two hundred twenty-eight".