125406222 has 16 divisors (see below), whose sum is σ = 258903552. Its totient is φ = 40453560.

The previous prime is 125406221. The next prime is 125406233. The reversal of 125406222 is 222604521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 125406192 and 125406201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125406221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336928 + ... + 337299.

It is an arithmetic number, because the mean of its divisors is an integer number (16181472).

Almost surely, 2^125406222 is an apocalyptic number.

125406222 is an abundant number, since it is smaller than the sum of its proper divisors (133497330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125406222 is a wasteful number, since it uses less digits than its factorization.

125406222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674263.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 125406222 is about 11198.4919520443. The cubic root of 125406222 is about 500.5410436657.

The spelling of 125406222 in words is "one hundred twenty-five million, four hundred six thousand, two hundred twenty-two".