125262450 has 120 divisors (see below), whose sum is σ = 352038852. Its totient is φ = 33022080.

The previous prime is 125262377. The next prime is 125262451. The reversal of 125262450 is 54262521.

It can be written as a sum of positive squares in 6 ways, for example, as 71723961 + 53538489 = 8469^2 + 7317^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (125262451) 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 59 ways as a sum of consecutive naturals, for example, 635752 + ... + 635948.

Almost surely, 2^125262450 is an apocalyptic number.

125262450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125262450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176019426).

125262450 is an abundant number, since it is smaller than the sum of its proper divisors (226776402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125262450 is a wasteful number, since it uses less digits than its factorization.

125262450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 125262450 is about 11192.0708539573. The cubic root of 125262450 is about 500.3496887119.

The spelling of 125262450 in words is "one hundred twenty-five million, two hundred sixty-two thousand, four hundred fifty".