125211303 has 12 divisors (see below), whose sum is σ = 206698128. Its totient is φ = 71549280.

The previous prime is 125211301. The next prime is 125211319. The reversal of 125211303 is 303112521.

125211303 is a `hidden beast` number, since 12 + 521 + 130 + 3 = 666.

It is not a de Polignac number, because 125211303 - 2¹ = 125211301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125211301) 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, 993678 + ... + 993803.

It is an arithmetic number, because the mean of its divisors is an integer number (17224844).

Almost surely, 2^125211303 is an apocalyptic number.

125211303 is a deficient number, since it is larger than the sum of its proper divisors (81486825).

125211303 is a wasteful number, since it uses less digits than its factorization.

125211303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987494 (or 1987491 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 125211303 is about 11189.7856547836. The cubic root of 125211303 is about 500.2815787304.

Adding to 125211303 its reverse (303112521), we get a palindrome (428323824).

It can be divided in two parts, 12521 and 1303, that added together give a cube (13824 = 24³).

The spelling of 125211303 in words is "one hundred twenty-five million, two hundred eleven thousand, three hundred three".