127126550 has 12 divisors (see below), whose sum is σ = 236455476. Its totient is φ = 50850600.

The previous prime is 127126541. The next prime is 127126553. The reversal of 127126550 is 55621721.

It is a super-2 number, since 2×127126550² = 32322319429805000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127126553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1271216 + ... + 1271315.

It is an arithmetic number, because the mean of its divisors is an integer number (19704623).

Almost surely, 2^127126550 is an apocalyptic number.

127126550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127126550 is a deficient number, since it is larger than the sum of its proper divisors (109328926).

127126550 is a wasteful number, since it uses less digits than its factorization.

127126550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542543 (or 2542538 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 127126550 is about 11275.0410198810. The cubic root of 127126550 is about 502.8194712792.

The spelling of 127126550 in words is "one hundred twenty-seven million, one hundred twenty-six thousand, five hundred fifty".