125211205 has 32 divisors (see below), whose sum is σ = 183361536. Its totient is φ = 80123904.

The previous prime is 125211199. The next prime is 125211211. The reversal of 125211205 is 502112521.

It is an interprime number because it is at equal distance from previous prime (125211199) and next prime (125211211).

It is not a de Polignac number, because 125211205 - 2⁹ = 125210693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74737 + ... + 76393.

It is an arithmetic number, because the mean of its divisors is an integer number (5730048).

Almost surely, 2^125211205 is an apocalyptic number.

It is an amenable number.

125211205 is a deficient number, since it is larger than the sum of its proper divisors (58150331).

125211205 is a wasteful number, since it uses less digits than its factorization.

125211205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 125211205 is about 11189.7812757891. The cubic root of 125211205 is about 500.2814482108.

Adding to 125211205 its reverse (502112521), we get a palindrome (627323726).

The spelling of 125211205 in words is "one hundred twenty-five million, two hundred eleven thousand, two hundred five".