125942020 has 24 divisors (see below), whose sum is σ = 275978304. Its totient is φ = 48186336.

The previous prime is 125941993. The next prime is 125942027. The reversal of 125942020 is 20249521.

It is a super-2 number, since 2×125942020² = 31722784803360800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125942027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136434 + ... + 137353.

It is an arithmetic number, because the mean of its divisors is an integer number (11499096).

Almost surely, 2^125942020 is an apocalyptic number.

125942020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125942020 is an abundant number, since it is smaller than the sum of its proper divisors (150036284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125942020 is a wasteful number, since it uses less digits than its factorization.

125942020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273819 (or 273817 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 125942020 is about 11222.3892286803. The cubic root of 125942020 is about 501.2528846048.

The spelling of 125942020 in words is "one hundred twenty-five million, nine hundred forty-two thousand, twenty".