127212552 has 32 divisors (see below), whose sum is σ = 353368800. Its totient is φ = 42404112.

The previous prime is 127212539. The next prime is 127212557. The reversal of 127212552 is 255212721.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (127212557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294258 + ... + 294689.

It is an arithmetic number, because the mean of its divisors is an integer number (11042775).

Almost surely, 2^127212552 is an apocalyptic number.

127212552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

127212552 is an abundant number, since it is smaller than the sum of its proper divisors (226156248).

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

127212552 is a wasteful number, since it uses less digits than its factorization.

127212552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588962 (or 588952 counting only the distinct ones).

The product of its digits is 2800, while the sum is 27.

The square root of 127212552 is about 11278.8541971248. The cubic root of 127212552 is about 502.9328326825.

It can be divided in two parts, 1272 and 12552, that added together give a cube (13824 = 24³).

The spelling of 127212552 in words is "one hundred twenty-seven million, two hundred twelve thousand, five hundred fifty-two".