125553206 has 8 divisors (see below), whose sum is σ = 192709704. Its totient is φ = 61316640.

The previous prime is 125553191. The next prime is 125553223. The reversal of 125553206 is 602355521.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729875 + ... + 730046.

It is an arithmetic number, because the mean of its divisors is an integer number (24088713).

Almost surely, 2^125553206 is an apocalyptic number.

125553206 is a deficient number, since it is larger than the sum of its proper divisors (67156498).

125553206 is a wasteful number, since it uses less digits than its factorization.

125553206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459966.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 125553206 is about 11205.0526995637. The cubic root of 125553206 is about 500.7365225364.

The spelling of 125553206 in words is "one hundred twenty-five million, five hundred fifty-three thousand, two hundred six".