125250406 has 4 divisors (see below), whose sum is σ = 187875612. Its totient is φ = 62625202.

The previous prime is 125250397. The next prime is 125250409. The reversal of 125250406 is 604052521.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125250409) 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 as a sum of consecutive naturals, namely, 31312600 + ... + 31312603.

It is an arithmetic number, because the mean of its divisors is an integer number (46968903).

Almost surely, 2^125250406 is an apocalyptic number.

125250406 is a deficient number, since it is larger than the sum of its proper divisors (62625206).

125250406 is an equidigital number, since it uses as much as digits as its factorization.

125250406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62625205.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 125250406 is about 11191.5327815273. The cubic root of 125250406 is about 500.3336519699. Note that the first 3 decimals are identical.

The spelling of 125250406 in words is "one hundred twenty-five million, two hundred fifty thousand, four hundred six".