125004433405 has 8 divisors (see below), whose sum is σ = 158829162552. Its totient is φ = 94120985088.

The previous prime is 125004433397. The next prime is 125004433409. The reversal of 125004433405 is 504334400521.

It can be written as a sum of positive squares in 4 ways, for example, as 71200383556 + 53804049849 = 266834^2 + 231957^2 .

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 125004433405 - 2³ = 125004433397 is a prime.

It is a super-2 number, since 2×125004433405² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125004433409) 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, 735320112 + ... + 735320281.

It is an arithmetic number, because the mean of its divisors is an integer number (19853645319).

Almost surely, 2^125004433405 is an apocalyptic number.

It is an amenable number.

125004433405 is a deficient number, since it is larger than the sum of its proper divisors (33824729147).

125004433405 is a wasteful number, since it uses less digits than its factorization.

125004433405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470640415.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 125004433405 its reverse (504334400521), we get a palindrome (629338833926).

The spelling of 125004433405 in words is "one hundred twenty-five billion, four million, four hundred thirty-three thousand, four hundred five".