125426133 has 18 divisors (see below), whose sum is σ = 210750774. Its totient is φ = 71671824.

The previous prime is 125426123. The next prime is 125426137. The reversal of 125426133 is 331624521.

125426133 is a `hidden beast` number, since 1 + 2 + 5 + 42 + 613 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 125283249 + 142884 = 11193^2 + 378^2 .

It is not a de Polignac number, because 125426133 - 2⁵ = 125426101 is a prime.

It is a super-4 number, since 4×125426133⁴ (a number of 33 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125426097 and 125426106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125426137) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 141766 + ... + 142647.

Almost surely, 2^125426133 is an apocalyptic number.

It is an amenable number.

125426133 is a deficient number, since it is larger than the sum of its proper divisors (85324641).

125426133 is a wasteful number, since it uses less digits than its factorization.

125426133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284433 (or 284423 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 125426133 is about 11199.3809203902. The cubic root of 125426133 is about 500.5675329024.

The spelling of 125426133 in words is "one hundred twenty-five million, four hundred twenty-six thousand, one hundred thirty-three".