125523122 has 4 divisors (see below), whose sum is σ = 188284686. Its totient is φ = 62761560.

The previous prime is 125523119. The next prime is 125523127. The reversal of 125523122 is 221325521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221325521 = 3539 ⋅62539.

It can be written as a sum of positive squares in only one way, i.e., 97634161 + 27888961 = 9881^2 + 5281^2 .

It is not an unprimeable number, because it can be changed into a prime (125523127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31380779 + ... + 31380782.

Almost surely, 2^125523122 is an apocalyptic number.

125523122 is a deficient number, since it is larger than the sum of its proper divisors (62761564).

125523122 is an equidigital number, since it uses as much as digits as its factorization.

125523122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62761563.

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

The square root of 125523122 is about 11203.7101890401. The cubic root of 125523122 is about 500.6965252546.

Adding to 125523122 its reverse (221325521), we get a palindrome (346848643).

The spelling of 125523122 in words is "one hundred twenty-five million, five hundred twenty-three thousand, one hundred twenty-two".