103125406 has 16 divisors (see below), whose sum is σ = 160455168. Its totient is φ = 49656600.

The previous prime is 103125403. The next prime is 103125409. The reversal of 103125406 is 604521301.

It is an interprime number because it is at equal distance from previous prime (103125403) and next prime (103125409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103125403) 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, 9141 + ... + 17023.

It is an arithmetic number, because the mean of its divisors is an integer number (10028448).

Almost surely, 2^103125406 is an apocalyptic number.

103125406 is a deficient number, since it is larger than the sum of its proper divisors (57329762).

103125406 is a wasteful number, since it uses less digits than its factorization.

103125406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8127.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 103125406 is about 10155.0679958334. The cubic root of 103125406 is about 468.9449792475.

Adding to 103125406 its reverse (604521301), we get a palindrome (707646707).

The spelling of 103125406 in words is "one hundred three million, one hundred twenty-five thousand, four hundred six".