125433555 has 64 divisors (see below), whose sum is σ = 229461120. Its totient is φ = 58060800.

The previous prime is 125433551. The next prime is 125433557. The reversal of 125433555 is 555334521.

It is a happy number.

It is not a de Polignac number, because 125433555 - 2² = 125433551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125433551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 231585 + ... + 232125.

It is an arithmetic number, because the mean of its divisors is an integer number (3585330).

Almost surely, 2^125433555 is an apocalyptic number.

125433555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125433555 is a deficient number, since it is larger than the sum of its proper divisors (104027565).

125433555 is a wasteful number, since it uses less digits than its factorization.

125433555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632.

The product of its digits is 45000, while the sum is 33.

The square root of 125433555 is about 11199.7122730899. The cubic root of 125433555 is about 500.5774062806.

The spelling of 125433555 in words is "one hundred twenty-five million, four hundred thirty-three thousand, five hundred fifty-five".