125724443 has 8 divisors (see below), whose sum is σ = 135543408. Its totient is φ = 115926624.

The previous prime is 125724439. The next prime is 125724449. The reversal of 125724443 is 344427521.

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 125724443 - 2² = 125724439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125724449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8396 + ... + 17942.

It is an arithmetic number, because the mean of its divisors is an integer number (16942926).

Almost surely, 2^125724443 is an apocalyptic number.

125724443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125724443 is a deficient number, since it is larger than the sum of its proper divisors (9818965).

125724443 is a wasteful number, since it uses less digits than its factorization.

125724443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10573.

The product of its digits is 26880, while the sum is 32.

The square root of 125724443 is about 11212.6911577908. The cubic root of 125724443 is about 500.9640639666.

The spelling of 125724443 in words is "one hundred twenty-five million, seven hundred twenty-four thousand, four hundred forty-three".