127213830 has 24 divisors (see below), whose sum is σ = 330756192. Its totient is φ = 33923664.

The previous prime is 127213817. The next prime is 127213871. The reversal of 127213830 is 38312721.

It is a junction number, because it is equal to n+sod(n) for n = 127213794 and 127213803.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 706654 + ... + 706833.

It is an arithmetic number, because the mean of its divisors is an integer number (13781508).

Almost surely, 2^127213830 is an apocalyptic number.

127213830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127213830 is an abundant number, since it is smaller than the sum of its proper divisors (203542362).

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

127213830 is a wasteful number, since it uses less digits than its factorization.

127213830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413500 (or 1413497 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 127213830 is about 11278.9108516736. The cubic root of 127213830 is about 502.9345168612.

The spelling of 127213830 in words is "one hundred twenty-seven million, two hundred thirteen thousand, eight hundred thirty".