125746450 has 24 divisors (see below), whose sum is σ = 247648212. Its totient is φ = 47339520.

The previous prime is 125746441. The next prime is 125746457. The reversal of 125746450 is 54647521.

It can be written as a sum of positive squares in 6 ways, for example, as 85766121 + 39980329 = 9261^2 + 6323^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (125746457) 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 11 ways as a sum of consecutive naturals, for example, 73119 + ... + 74818.

Almost surely, 2^125746450 is an apocalyptic number.

125746450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125746450 is a deficient number, since it is larger than the sum of its proper divisors (121901762).

125746450 is a wasteful number, since it uses less digits than its factorization.

125746450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147966 (or 147961 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 125746450 is about 11213.6724582092. The cubic root of 125746450 is about 500.9932921016.

The spelling of 125746450 in words is "one hundred twenty-five million, seven hundred forty-six thousand, four hundred fifty".