125410101 has 4 divisors (see below), whose sum is σ = 167213472. Its totient is φ = 83606732.

The previous prime is 125410093. The next prime is 125410121. The reversal of 125410101 is 101014521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125410101 - 2³ = 125410093 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125410121) 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 3 ways as a sum of consecutive naturals, for example, 20901681 + ... + 20901686.

It is an arithmetic number, because the mean of its divisors is an integer number (41803368).

Almost surely, 2^125410101 is an apocalyptic number.

It is an amenable number.

125410101 is a deficient number, since it is larger than the sum of its proper divisors (41803371).

125410101 is an equidigital number, since it uses as much as digits as its factorization.

125410101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41803370.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 125410101 is about 11198.6651436678. The cubic root of 125410101 is about 500.5462044375.

Adding to 125410101 its reverse (101014521), we get a palindrome (226424622).

The spelling of 125410101 in words is "one hundred twenty-five million, four hundred ten thousand, one hundred one".