125132210 has 16 divisors (see below), whose sum is σ = 257414976. Its totient is φ = 42902448.

The previous prime is 125132209. The next prime is 125132221. The reversal of 125132210 is 12231521.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893732 + ... + 893871.

It is an arithmetic number, because the mean of its divisors is an integer number (16088436).

Almost surely, 2^125132210 is an apocalyptic number.

125132210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125132210 is an abundant number, since it is smaller than the sum of its proper divisors (132282766).

125132210 is a wasteful number, since it uses less digits than its factorization.

125132210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787617.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 125132210 is about 11186.2509358587. The cubic root of 125132210 is about 500.1762178872.

Adding to 125132210 its reverse (12231521), we get a palindrome (137363731).

The spelling of 125132210 in words is "one hundred twenty-five million, one hundred thirty-two thousand, two hundred ten".