125430 has 32 divisors (see below), whose sum is σ = 311904. Its totient is φ = 32256.

The previous prime is 125429. The next prime is 125441. The reversal of 125430 is 34521.

125430 is nontrivially palindromic in base 11 and base 12.

It is a Harshad number since it is a multiple of its sum of digits (15).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1054 + ... + 1166.

It is an arithmetic number, because the mean of its divisors is an integer number (9747).

2¹²⁵⁴³⁰ is an apocalyptic number.

125430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155952).

125430 is an abundant number, since it is smaller than the sum of its proper divisors (186474).

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

125430 is a wasteful number, since it uses less digits than its factorization.

125430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 125430 is about 354.1609803465. The cubic root of 125430 is about 50.0572677165.

Adding to 125430 its reverse (34521), we get a palindrome (159951).

Subtracting from 125430 its reverse (34521), we obtain a palindrome (90909).

It can be divided in two parts, 125 and 430, that added together give a palindrome (555).

The spelling of 125430 in words is "one hundred twenty-five thousand, four hundred thirty".