125522554 has 8 divisors (see below), whose sum is σ = 188388288. Its totient is φ = 62726460.

The previous prime is 125522549. The next prime is 125522563. The reversal of 125522554 is 455225521.

It is a happy number.

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

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, 12642 + ... + 20269.

It is an arithmetic number, because the mean of its divisors is an integer number (23548536).

Almost surely, 2^125522554 is an apocalyptic number.

125522554 is a deficient number, since it is larger than the sum of its proper divisors (62865734).

125522554 is a wasteful number, since it uses less digits than its factorization.

125522554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34820.

The product of its digits is 20000, while the sum is 31.

The square root of 125522554 is about 11203.6848402657. The cubic root of 125522554 is about 500.6957700257.

The spelling of 125522554 in words is "one hundred twenty-five million, five hundred twenty-two thousand, five hundred fifty-four".