125413111 has 4 divisors (see below), whose sum is σ = 126563800. Its totient is φ = 124262424.

The previous prime is 125413103. The next prime is 125413121. The reversal of 125413111 is 111314521.

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

It is a cyclic number.

It is not a de Polignac number, because 125413111 - 2³ = 125413103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125413121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575181 + ... + 575398.

It is an arithmetic number, because the mean of its divisors is an integer number (31640950).

Almost surely, 2^125413111 is an apocalyptic number.

125413111 is a deficient number, since it is larger than the sum of its proper divisors (1150689).

125413111 is a wasteful number, since it uses less digits than its factorization.

125413111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150688.

The product of its digits is 120, while the sum is 19.

The square root of 125413111 is about 11198.7995338786. The cubic root of 125413111 is about 500.5502089847.

Adding to 125413111 its reverse (111314521), we get a palindrome (236727632).

It can be divided in two parts, 1254 and 13111, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 125413111 in words is "one hundred twenty-five million, four hundred thirteen thousand, one hundred eleven".