125554433 has 8 divisors (see below), whose sum is σ = 129801216. Its totient is φ = 121320000.

The previous prime is 125554421. The next prime is 125554459. The reversal of 125554433 is 334455521.

It is a happy number.

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 125554433 - 2⁴ = 125554417 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 125554433.

It is not an unprimeable number, because it can be changed into a prime (125554133) 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, 20585 + ... + 25977.

It is an arithmetic number, because the mean of its divisors is an integer number (16225152).

Almost surely, 2^125554433 is an apocalyptic number.

It is an amenable number.

125554433 is a deficient number, since it is larger than the sum of its proper divisors (4246783).

125554433 is an equidigital number, since it uses as much as digits as its factorization.

125554433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6175.

The product of its digits is 36000, while the sum is 32.

The square root of 125554433 is about 11205.1074515151. The cubic root of 125554433 is about 500.7381537219.

The spelling of 125554433 in words is "one hundred twenty-five million, five hundred fifty-four thousand, four hundred thirty-three".