125245550 has 24 divisors (see below), whose sum is σ = 233823576. Its totient is φ = 49911840.

The previous prime is 125245501. The next prime is 125245607. The reversal of 125245550 is 55542521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9329 + ... + 18371.

It is an arithmetic number, because the mean of its divisors is an integer number (9742649).

Almost surely, 2^125245550 is an apocalyptic number.

125245550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125245550 is a deficient number, since it is larger than the sum of its proper divisors (108578026).

125245550 is a wasteful number, since it uses less digits than its factorization.

125245550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9332 (or 9327 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 125245550 is about 11191.3158296958. The cubic root of 125245550 is about 500.3271858521.

The spelling of 125245550 in words is "one hundred twenty-five million, two hundred forty-five thousand, five hundred fifty".