125431535 has 8 divisors (see below), whose sum is σ = 157062240. Its totient is φ = 95982304.

The previous prime is 125431531. The next prime is 125431541. The reversal of 125431535 is 535134521.

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 125431535 - 2² = 125431531 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 125431498 and 125431507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125431531) 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, 545240 + ... + 545469.

It is an arithmetic number, because the mean of its divisors is an integer number (19632780).

Almost surely, 2^125431535 is an apocalyptic number.

125431535 is a deficient number, since it is larger than the sum of its proper divisors (31630705).

125431535 is a wasteful number, since it uses less digits than its factorization.

125431535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090737.

The product of its digits is 9000, while the sum is 29.

The square root of 125431535 is about 11199.6220918386. The cubic root of 125431535 is about 500.5747191427.

The spelling of 125431535 in words is "one hundred twenty-five million, four hundred thirty-one thousand, five hundred thirty-five".