125618943 has 8 divisors (see below), whose sum is σ = 167543856. Its totient is φ = 83720000.

The previous prime is 125618917. The next prime is 125618971. The reversal of 125618943 is 349816521.

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 125618943 - 2⁶ = 125618879 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125618993) 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, 14443 + ... + 21443.

It is an arithmetic number, because the mean of its divisors is an integer number (20942982).

Almost surely, 2^125618943 is an apocalyptic number.

125618943 is a deficient number, since it is larger than the sum of its proper divisors (41924913).

125618943 is an equidigital number, since it uses as much as digits as its factorization.

125618943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12985.

The product of its digits is 51840, while the sum is 39.

The square root of 125618943 is about 11207.9856798624. The cubic root of 125618943 is about 500.8238989686.

The spelling of 125618943 in words is "one hundred twenty-five million, six hundred eighteen thousand, nine hundred forty-three".