125851133 has 2 divisors, whose sum is σ = 125851134. Its totient is φ = 125851132.

The previous prime is 125851129. The next prime is 125851163. The reversal of 125851133 is 331158521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87572164 + 38278969 = 9358^2 + 6187^2 .

It is a cyclic number.

It is not a de Polignac number, because 125851133 - 2² = 125851129 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 125851096 and 125851105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125851163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62925566 + 62925567.

It is an arithmetic number, because the mean of its divisors is an integer number (62925567).

Almost surely, 2^125851133 is an apocalyptic number.

It is an amenable number.

125851133 is a deficient number, since it is larger than the sum of its proper divisors (1).

125851133 is an equidigital number, since it uses as much as digits as its factorization.

125851133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 29.

The square root of 125851133 is about 11218.3391373233. The cubic root of 125851133 is about 501.1322779577.

The spelling of 125851133 in words is "one hundred twenty-five million, eight hundred fifty-one thousand, one hundred thirty-three".