125001422 has 32 divisors (see below), whose sum is σ = 231333312. Its totient is φ = 49330944.

The previous prime is 125001421. The next prime is 125001427. The reversal of 125001422 is 224100521.

It is a self number, because there is not a number n which added to its sum of digits gives 125001422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125001421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132938 + ... + 133874.

It is an arithmetic number, because the mean of its divisors is an integer number (7229166).

Almost surely, 2^125001422 is an apocalyptic number.

125001422 is a deficient number, since it is larger than the sum of its proper divisors (106331890).

125001422 is a wasteful number, since it uses less digits than its factorization.

125001422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 125001422 is about 11180.4034810914. The cubic root of 125001422 is about 500.0018959928.

Adding to 125001422 its reverse (224100521), we get a palindrome (349101943).

Subtracting 125001422 from its reverse (224100521), we obtain a palindrome (99099099).

The spelling of 125001422 in words is "one hundred twenty-five million, one thousand, four hundred twenty-two".