125951222 has 4 divisors (see below), whose sum is σ = 188926836. Its totient is φ = 62975610.

The previous prime is 125951213. The next prime is 125951237. The reversal of 125951222 is 222159521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222159521 = 7549 ⋅29429.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31487804 + ... + 31487807.

It is an arithmetic number, because the mean of its divisors is an integer number (47231709).

Almost surely, 2^125951222 is an apocalyptic number.

125951222 is a deficient number, since it is larger than the sum of its proper divisors (62975614).

125951222 is an equidigital number, since it uses as much as digits as its factorization.

125951222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62975613.

The product of its digits is 3600, while the sum is 29.

The square root of 125951222 is about 11222.7992051894. The cubic root of 125951222 is about 501.2650923829.

The spelling of 125951222 in words is "one hundred twenty-five million, nine hundred fifty-one thousand, two hundred twenty-two".