125736550 has 12 divisors (see below), whose sum is σ = 233870076. Its totient is φ = 50294600.

The previous prime is 125736521. The next prime is 125736553. The reversal of 125736550 is 55637521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125736553) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1257316 + ... + 1257415.

It is an arithmetic number, because the mean of its divisors is an integer number (19489173).

Almost surely, 2^125736550 is an apocalyptic number.

125736550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125736550 is a deficient number, since it is larger than the sum of its proper divisors (108133526).

125736550 is a wasteful number, since it uses less digits than its factorization.

125736550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2514743 (or 2514738 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 34.

The square root of 125736550 is about 11213.2310241072. The cubic root of 125736550 is about 500.9801440465.

The spelling of 125736550 in words is "one hundred twenty-five million, seven hundred thirty-six thousand, five hundred fifty".