125650 has 24 divisors (see below), whose sum is σ = 267840. Its totient is φ = 42960.

The previous prime is 125641. The next prime is 125651. The reversal of 125650 is 56521.

125650 = 53² + 54² + ... + 80².

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (125651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171 + ... + 529.

It is an arithmetic number, because the mean of its divisors is an integer number (11160).

2¹²⁵⁶⁵⁰ is an apocalyptic number.

125650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125650 is an abundant number, since it is smaller than the sum of its proper divisors (142190).

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

125650 is a wasteful number, since it uses less digits than its factorization.

125650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 125650 is about 354.4714374953. The cubic root of 125650 is about 50.0865168769.

It can be divided in two parts, 1 and 25650, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 125650 in words is "one hundred twenty-five thousand, six hundred fifty".