125501045 has 8 divisors (see below), whose sum is σ = 153805824. Its totient is φ = 98264464.

The previous prime is 125501029. The next prime is 125501053. The reversal of 125501045 is 540105521.

It is a happy number.

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 125501045 - 2⁴ = 125501029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125501045.

It is a congruent 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, 266789 + ... + 267258.

It is an arithmetic number, because the mean of its divisors is an integer number (19225728).

Almost surely, 2^125501045 is an apocalyptic number.

It is an amenable number.

125501045 is a deficient number, since it is larger than the sum of its proper divisors (28304779).

125501045 is an equidigital number, since it uses as much as digits as its factorization.

125501045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534099.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 125501045 is about 11202.7248917395. The cubic root of 125501045 is about 500.6671693741.

Adding to 125501045 its reverse (540105521), we get a palindrome (665606566).

The spelling of 125501045 in words is "one hundred twenty-five million, five hundred one thousand, forty-five".