127947900 has 72 divisors (see below), whose sum is σ = 389697280. Its totient is φ = 32322240.

The previous prime is 127947877. The next prime is 127947923. The reversal of 127947900 is 9749721.

It is an interprime number because it is at equal distance from previous prime (127947877) and next prime (127947923).

It is a super-2 number, since 2×127947900² = 32741330228820000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5524 + ... + 16923.

Almost surely, 2^127947900 is an apocalyptic number.

127947900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127947900 is an abundant number, since it is smaller than the sum of its proper divisors (261749380).

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

127947900 is a wasteful number, since it uses less digits than its factorization.

127947900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22483 (or 22476 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 127947900 is about 11311.4057481818. The cubic root of 127947900 is about 503.9000337134.

The spelling of 127947900 in words is "one hundred twenty-seven million, nine hundred forty-seven thousand, nine hundred".