125031222 has 32 divisors (see below), whose sum is σ = 284628960. Its totient is φ = 40659840.

The previous prime is 125031217. The next prime is 125031227. The reversal of 125031222 is 222130521.

It is an interprime number because it is at equal distance from previous prime (125031217) and next prime (125031227).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 125031195 and 125031204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125031227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26023 + ... + 30450.

It is an arithmetic number, because the mean of its divisors is an integer number (8894655).

Almost surely, 2^125031222 is an apocalyptic number.

125031222 is an abundant number, since it is smaller than the sum of its proper divisors (159597738).

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

125031222 is a wasteful number, since it uses less digits than its factorization.

125031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56525 (or 56519 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 125031222 is about 11181.7360906078. The cubic root of 125031222 is about 500.0416258678.

Adding to 125031222 its reverse (222130521), we get a palindrome (347161743).

The spelling of 125031222 in words is "one hundred twenty-five million, thirty-one thousand, two hundred twenty-two".