125240422 has 4 divisors (see below), whose sum is σ = 187860636. Its totient is φ = 62620210.

The previous prime is 125240407. The next prime is 125240429. The reversal of 125240422 is 224042521.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 125240393 and 125240402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125240429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31310104 + ... + 31310107.

It is an arithmetic number, because the mean of its divisors is an integer number (46965159).

Almost surely, 2^125240422 is an apocalyptic number.

125240422 is a deficient number, since it is larger than the sum of its proper divisors (62620214).

125240422 is an equidigital number, since it uses as much as digits as its factorization.

125240422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62620213.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 125240422 is about 11191.0867211366. The cubic root of 125240422 is about 500.3203573651.

Adding to 125240422 its reverse (224042521), we get a palindrome (349282943).

The spelling of 125240422 in words is "one hundred twenty-five million, two hundred forty thousand, four hundred twenty-two".