125940943 has 4 divisors (see below), whose sum is σ = 126386248. Its totient is φ = 125495640.

The previous prime is 125940929. The next prime is 125940953. The reversal of 125940943 is 349049521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125940943 is a prime.

It is a super-2 number, since 2×125940943² = 31722242247458498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125940953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222228 + ... + 222793.

It is an arithmetic number, because the mean of its divisors is an integer number (31596562).

Almost surely, 2^125940943 is an apocalyptic number.

125940943 is a deficient number, since it is larger than the sum of its proper divisors (445305).

125940943 is an equidigital number, since it uses as much as digits as its factorization.

125940943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445304.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 125940943 is about 11222.3412441433. The cubic root of 125940943 is about 501.2514557703.

The spelling of 125940943 in words is "one hundred twenty-five million, nine hundred forty thousand, nine hundred forty-three".