125235122 has 4 divisors (see below), whose sum is σ = 187852686. Its totient is φ = 62617560.

The previous prime is 125235113. The next prime is 125235139. The reversal of 125235122 is 221532521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221532521 = 7 ⋅31647503.

It can be written as a sum of positive squares in only one way, i.e., 85026841 + 40208281 = 9221^2 + 6341^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31308779 + ... + 31308782.

Almost surely, 2^125235122 is an apocalyptic number.

125235122 is a deficient number, since it is larger than the sum of its proper divisors (62617564).

125235122 is an equidigital number, since it uses as much as digits as its factorization.

125235122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62617563.

The product of its digits is 1200, while the sum is 23.

The square root of 125235122 is about 11190.8499230398. The cubic root of 125235122 is about 500.3132996457.

Adding to 125235122 its reverse (221532521), we get a palindrome (346767643).

The spelling of 125235122 in words is "one hundred twenty-five million, two hundred thirty-five thousand, one hundred twenty-two".