125205132 has 24 divisors (see below), whose sum is σ = 314618416. Its totient is φ = 38524608.

The previous prime is 125205127. The next prime is 125205137. The reversal of 125205132 is 231502521.

It is an interprime number because it is at equal distance from previous prime (125205127) and next prime (125205137).

It is a junction number, because it is equal to n+sod(n) for n = 125205099 and 125205108.

It is not an unprimeable number, because it can be changed into a prime (125205137) 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, 401143 + ... + 401454.

Almost surely, 2^125205132 is an apocalyptic number.

125205132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125205132 is an abundant number, since it is smaller than the sum of its proper divisors (189413284).

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

125205132 is a wasteful number, since it uses less digits than its factorization.

125205132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802617 (or 802615 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 125205132 is about 11189.5099088387. The cubic root of 125205132 is about 500.2733598549.

Adding to 125205132 its reverse (231502521), we get a palindrome (356707653).

The spelling of 125205132 in words is "one hundred twenty-five million, two hundred five thousand, one hundred thirty-two".