125137266 has 16 divisors (see below), whose sum is σ = 258348288. Its totient is φ = 40366800.

The previous prime is 125137261. The next prime is 125137277. The reversal of 125137266 is 662731521.

It is not an unprimeable number, because it can be changed into a prime (125137261) 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, 336205 + ... + 336576.

It is an arithmetic number, because the mean of its divisors is an integer number (16146768).

Almost surely, 2^125137266 is an apocalyptic number.

125137266 is an abundant number, since it is smaller than the sum of its proper divisors (133211022).

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

125137266 is a wasteful number, since it uses less digits than its factorization.

125137266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672817.

The product of its digits is 15120, while the sum is 33.

The square root of 125137266 is about 11186.4769252880. The cubic root of 125137266 is about 500.1829543806.

Adding to 125137266 its reverse (662731521), we get a palindrome (787868787).

The spelling of 125137266 in words is "one hundred twenty-five million, one hundred thirty-seven thousand, two hundred sixty-six".