125269406 has 16 divisors (see below), whose sum is σ = 192686208. Its totient is φ = 61047000.

The previous prime is 125269393. The next prime is 125269409. The reversal of 125269406 is 604962521.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125269409) 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 7 ways as a sum of consecutive naturals, for example, 47831 + ... + 50381.

It is an arithmetic number, because the mean of its divisors is an integer number (12042888).

Almost surely, 2^125269406 is an apocalyptic number.

125269406 is a deficient number, since it is larger than the sum of its proper divisors (67416802).

125269406 is a wasteful number, since it uses less digits than its factorization.

125269406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 125269406 is about 11192.3816053600. The cubic root of 125269406 is about 500.3589502478.

The spelling of 125269406 in words is "one hundred twenty-five million, two hundred sixty-nine thousand, four hundred six".