125512266 has 32 divisors (see below), whose sum is σ = 274680000. Its totient is φ = 37918080.

The previous prime is 125512253. The next prime is 125512267. The reversal of 125512266 is 662215521.

It is a super-3 number, since 3×125512266³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (125512267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20310 + ... + 25758.

It is an arithmetic number, because the mean of its divisors is an integer number (8583750).

Almost surely, 2^125512266 is an apocalyptic number.

125512266 is an abundant number, since it is smaller than the sum of its proper divisors (149167734).

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

125512266 is a wasteful number, since it uses less digits than its factorization.

125512266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814.

The product of its digits is 7200, while the sum is 30.

The square root of 125512266 is about 11203.2256962002. The cubic root of 125512266 is about 500.6820904155.

Adding to 125512266 its reverse (662215521), we get a palindrome (787727787).

The spelling of 125512266 in words is "one hundred twenty-five million, five hundred twelve thousand, two hundred sixty-six".