122135325 has 72 divisors (see below), whose sum is σ = 230172768. Its totient is φ = 56799360.

The previous prime is 122135309. The next prime is 122135333. The reversal of 122135325 is 523531221.

It is a happy number.

It is not a de Polignac number, because 122135325 - 2⁴ = 122135309 is a prime.

It is a super-2 number, since 2×122135325² = 29834075225711250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122135295 and 122135304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 351802 + ... + 352148.

It is an arithmetic number, because the mean of its divisors is an integer number (3196844).

Almost surely, 2^122135325 is an apocalyptic number.

122135325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122135325 is a deficient number, since it is larger than the sum of its proper divisors (108037443).

122135325 is a wasteful number, since it uses less digits than its factorization.

122135325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 387 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 122135325 is about 11051.4851943076. The cubic root of 122135325 is about 496.1508778881.

Adding to 122135325 its reverse (523531221), we get a palindrome (645666546).

The spelling of 122135325 in words is "one hundred twenty-two million, one hundred thirty-five thousand, three hundred twenty-five".