125344405 has 8 divisors (see below), whose sum is σ = 150660000. Its totient is φ = 100111056.

The previous prime is 125344403. The next prime is 125344433. The reversal of 125344405 is 504443521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125344405 - 2¹ = 125344403 is a prime.

It is a super-2 number, since 2×125344405² = 31422439729608050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125344403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17155 + ... + 23344.

It is an arithmetic number, because the mean of its divisors is an integer number (18832500).

Almost surely, 2^125344405 is an apocalyptic number.

It is an amenable number.

125344405 is a deficient number, since it is larger than the sum of its proper divisors (25315595).

125344405 is an equidigital number, since it uses as much as digits as its factorization.

125344405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41123.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 125344405 is about 11195.7315526945. The cubic root of 125344405 is about 500.4587855695.

Adding to 125344405 its reverse (504443521), we get a palindrome (629787926).

The spelling of 125344405 in words is "one hundred twenty-five million, three hundred forty-four thousand, four hundred five".