125071222 has 4 divisors (see below), whose sum is σ = 187606836. Its totient is φ = 62535610.

The previous prime is 125071207. The next prime is 125071223. The reversal of 125071222 is 222170521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222170521 = 31 ⋅7166791.

It is a junction number, because it is equal to n+sod(n) for n = 125071193 and 125071202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125071223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31267804 + ... + 31267807.

It is an arithmetic number, because the mean of its divisors is an integer number (46901709).

Almost surely, 2^125071222 is an apocalyptic number.

125071222 is a deficient number, since it is larger than the sum of its proper divisors (62535614).

125071222 is an equidigital number, since it uses as much as digits as its factorization.

125071222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62535613.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 125071222 is about 11183.5245785933. The cubic root of 125071222 is about 500.0949446366.

The spelling of 125071222 in words is "one hundred twenty-five million, seventy-one thousand, two hundred twenty-two".