125021941 has 16 divisors (see below), whose sum is σ = 140995008. Its totient is φ = 109872000.

The previous prime is 125021909. The next prime is 125021999. The reversal of 125021941 is 149120521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125021941 - 2⁵ = 125021909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125021441) 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 15 ways as a sum of consecutive naturals, for example, 46465 + ... + 49081.

It is an arithmetic number, because the mean of its divisors is an integer number (8812188).

Almost surely, 2^125021941 is an apocalyptic number.

125021941 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125021941 is a deficient number, since it is larger than the sum of its proper divisors (15973067).

125021941 is a wasteful number, since it uses less digits than its factorization.

125021941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 125021941 is about 11181.3210757942. The cubic root of 125021941 is about 500.0292529552.

The spelling of 125021941 in words is "one hundred twenty-five million, twenty-one thousand, nine hundred forty-one".