125022045 has 32 divisors (see below), whose sum is σ = 208293120. Its totient is φ = 63956480.

The previous prime is 125021999. The next prime is 125022059. The reversal of 125022045 is 540220521.

It is a happy number.

It is not a de Polignac number, because 125022045 - 2⁸ = 125021789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71785 + ... + 73505.

It is an arithmetic number, because the mean of its divisors is an integer number (6509160).

Almost surely, 2^125022045 is an apocalyptic number.

125022045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125022045 is a deficient number, since it is larger than the sum of its proper divisors (83271075).

125022045 is a wasteful number, since it uses less digits than its factorization.

125022045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 125022045 is about 11181.3257264065. The cubic root of 125022045 is about 500.0293916056.

Adding to 125022045 its reverse (540220521), we get a palindrome (665242566).

The spelling of 125022045 in words is "one hundred twenty-five million, twenty-two thousand, forty-five".