125276543 has 8 divisors (see below), whose sum is σ = 143388288. Its totient is φ = 107218584.

The previous prime is 125276539. The next prime is 125276609. The reversal of 125276543 is 345672521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125276543 - 2² = 125276539 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125276513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8321 + ... + 17882.

It is an arithmetic number, because the mean of its divisors is an integer number (17923536).

Almost surely, 2^125276543 is an apocalyptic number.

125276543 is a deficient number, since it is larger than the sum of its proper divisors (18111745).

125276543 is an equidigital number, since it uses as much as digits as its factorization.

125276543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26893.

The product of its digits is 50400, while the sum is 35.

The square root of 125276543 is about 11192.7004337649. The cubic root of 125276543 is about 500.3684524189.

The spelling of 125276543 in words is "one hundred twenty-five million, two hundred seventy-six thousand, five hundred forty-three".