125841720 has 32 divisors (see below), whose sum is σ = 377525520. Its totient is φ = 33557760.

The previous prime is 125841713. The next prime is 125841721. The reversal of 125841720 is 27148521.

It is a super-2 number, since 2×125841720² = 31672276985116800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125841721) 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, 524221 + ... + 524460.

Almost surely, 2^125841720 is an apocalyptic number.

125841720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125841720 is an abundant number, since it is smaller than the sum of its proper divisors (251683800).

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

125841720 is a wasteful number, since it uses less digits than its factorization.

125841720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048695 (or 1048691 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 125841720 is about 11217.9195932223. The cubic root of 125841720 is about 501.1197836304.

The spelling of 125841720 in words is "one hundred twenty-five million, eight hundred forty-one thousand, seven hundred twenty".