125371506 has 16 divisors (see below), whose sum is σ = 270031104. Its totient is φ = 38575824.

The previous prime is 125371501. The next prime is 125371511. The reversal of 125371506 is 605173521.

It is an interprime number because it is at equal distance from previous prime (125371501) and next prime (125371511).

It is not an unprimeable number, because it can be changed into a prime (125371501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803586 + ... + 803741.

It is an arithmetic number, because the mean of its divisors is an integer number (16876944).

Almost surely, 2^125371506 is an apocalyptic number.

125371506 is an abundant number, since it is smaller than the sum of its proper divisors (144659598).

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

125371506 is a wasteful number, since it uses less digits than its factorization.

125371506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607345.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 125371506 is about 11196.9418146206. The cubic root of 125371506 is about 500.4948514159.

The spelling of 125371506 in words is "one hundred twenty-five million, three hundred seventy-one thousand, five hundred six".