127961343 has 16 divisors (see below), whose sum is σ = 190041600. Its totient is φ = 85096440.

The previous prime is 127961321. The next prime is 127961359. The reversal of 127961343 is 343169721.

It is a Cunningham number, because it is equal to 11312²-1.

It is not a de Polignac number, because 127961343 - 2⁶ = 127961279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127961298 and 127961307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127961303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5658 + ... + 16968.

It is an arithmetic number, because the mean of its divisors is an integer number (11877600).

Almost surely, 2^127961343 is an apocalyptic number.

127961343 is a deficient number, since it is larger than the sum of its proper divisors (62080257).

127961343 is a wasteful number, since it uses less digits than its factorization.

127961343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11739 (or 11733 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 127961343 is about 11311.9999557992. Note that the first 4 decimals coincide. The cubic root of 127961343 is about 503.9176807164.

The spelling of 127961343 in words is "one hundred twenty-seven million, nine hundred sixty-one thousand, three hundred forty-three".