125131033 has 8 divisors (see below), whose sum is σ = 132761160. Its totient is φ = 117530880.

The previous prime is 125130991. The next prime is 125131037. The reversal of 125131033 is 330131521.

It can be written as a sum of positive squares in 4 ways, for example, as 21641104 + 103489929 = 4652^2 + 10173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125131033 - 2¹⁷ = 124999961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125131033.

It is not an unprimeable number, because it can be changed into a prime (125131037) 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, 1423 + ... + 15883.

It is an arithmetic number, because the mean of its divisors is an integer number (16595145).

Almost surely, 2^125131033 is an apocalyptic number.

It is an amenable number.

125131033 is a deficient number, since it is larger than the sum of its proper divisors (7630127).

125131033 is a wasteful number, since it uses less digits than its factorization.

125131033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14987.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 125131033 is about 11186.1983265093. The cubic root of 125131033 is about 500.1746496546.

Adding to 125131033 its reverse (330131521), we get a palindrome (455262554).

The spelling of 125131033 in words is "one hundred twenty-five million, one hundred thirty-one thousand, thirty-three".