125346405 has 16 divisors (see below), whose sum is σ = 200801664. Its totient is φ = 66768960.

The previous prime is 125346391. The next prime is 125346409. The reversal of 125346405 is 504643521.

It is not a de Polignac number, because 125346405 - 2¹¹ = 125344357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125346409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8595 + ... + 18015.

It is an arithmetic number, because the mean of its divisors is an integer number (12550104).

Almost surely, 2^125346405 is an apocalyptic number.

125346405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125346405 is a deficient number, since it is larger than the sum of its proper divisors (75455259).

125346405 is an equidigital number, since it uses as much as digits as its factorization.

125346405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10316.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 125346405 is about 11195.8208720933. The cubic root of 125346405 is about 500.4614473350.

Adding to 125346405 its reverse (504643521), we get a palindrome (629989926).

It can be divided in two parts, 125346 and 405, that added together give a triangular number (125751 = T₅₀₁).

The spelling of 125346405 in words is "one hundred twenty-five million, three hundred forty-six thousand, four hundred five".