125537105 has 8 divisors (see below), whose sum is σ = 157194432. Its totient is φ = 96063088.

The previous prime is 125537099. The next prime is 125537147. The reversal of 125537105 is 501735521.

It is a happy number.

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

It is not a de Polignac number, because 125537105 - 2⁴ = 125537089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545699 + ... + 545928.

It is an arithmetic number, because the mean of its divisors is an integer number (19649304).

Almost surely, 2^125537105 is an apocalyptic number.

It is an amenable number.

125537105 is a deficient number, since it is larger than the sum of its proper divisors (31657327).

125537105 is a wasteful number, since it uses less digits than its factorization.

125537105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091655.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 125537105 is about 11204.3342060115. The cubic root of 125537105 is about 500.7151167285.

The spelling of 125537105 in words is "one hundred twenty-five million, five hundred thirty-seven thousand, one hundred five".