125670133 has 4 divisors (see below), whose sum is σ = 126823180. Its totient is φ = 124517088.

The previous prime is 125670131. The next prime is 125670211. The reversal of 125670133 is 331076521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331076521 = 229 ⋅1445749.

It can be written as a sum of positive squares in 2 ways, for example, as 93837969 + 31832164 = 9687^2 + 5642^2 .

It is a cyclic number.

It is not a de Polignac number, because 125670133 - 2¹ = 125670131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125670131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576360 + ... + 576577.

It is an arithmetic number, because the mean of its divisors is an integer number (31705795).

Almost surely, 2^125670133 is an apocalyptic number.

It is an amenable number.

125670133 is a deficient number, since it is larger than the sum of its proper divisors (1153047).

125670133 is a wasteful number, since it uses less digits than its factorization.

125670133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153046.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 125670133 is about 11210.2690868685. The cubic root of 125670133 is about 500.8919186827.

The spelling of 125670133 in words is "one hundred twenty-five million, six hundred seventy thousand, one hundred thirty-three".