122125130 has 16 divisors (see below), whose sum is σ = 220138344. Its totient is φ = 48780480.

The previous prime is 122125109. The next prime is 122125153. The reversal of 122125130 is 31521221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 119399329 + 2725801 = 10927^2 + 1651^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122125099 and 122125108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001 + ... + 15660.

Almost surely, 2^122125130 is an apocalyptic number.

122125130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122125130 is a deficient number, since it is larger than the sum of its proper divisors (98013214).

122125130 is a wasteful number, since it uses less digits than its factorization.

122125130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17401.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 122125130 is about 11051.0239344596. The cubic root of 122125130 is about 496.1370724392.

Adding to 122125130 its reverse (31521221), we get a palindrome (153646351).

The spelling of 122125130 in words is "one hundred twenty-two million, one hundred twenty-five thousand, one hundred thirty".