125423122 has 32 divisors (see below), whose sum is σ = 210418560. Its totient is φ = 55585920.

The previous prime is 125423101. The next prime is 125423147. The reversal of 125423122 is 221324521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 125423093 and 125423102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306454 + ... + 306862.

It is an arithmetic number, because the mean of its divisors is an integer number (6575580).

Almost surely, 2^125423122 is an apocalyptic number.

125423122 is a deficient number, since it is larger than the sum of its proper divisors (84995438).

125423122 is a wasteful number, since it uses less digits than its factorization.

125423122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738.

The product of its digits is 960, while the sum is 22.

The square root of 125423122 is about 11199.2464925101. The cubic root of 125423122 is about 500.5635273020.

Adding to 125423122 its reverse (221324521), we get a palindrome (346747643).

The spelling of 125423122 in words is "one hundred twenty-five million, four hundred twenty-three thousand, one hundred twenty-two".