1355122125 has 48 divisors (see below), whose sum is σ = 2791825920. Its totient is φ = 619480800.

The previous prime is 1355122091. The next prime is 1355122133. The reversal of 1355122125 is 5212215531.

1355122125 is a `hidden beast` number, since 135 + 512 + 2 + 12 + 5 = 666.

It is not a de Polignac number, because 1355122125 - 2¹⁰ = 1355121101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78165 + ... + 93914.

It is an arithmetic number, because the mean of its divisors is an integer number (58163040).

Almost surely, 2^1355122125 is an apocalyptic number.

1355122125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1355122125 is an abundant number, since it is smaller than the sum of its proper divisors (1436703795).

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

1355122125 is a wasteful number, since it uses less digits than its factorization.

1355122125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172107 (or 172094 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 1355122125 is about 36811.9834428953. The cubic root of 1355122125 is about 1106.6054684530.

Adding to 1355122125 its reverse (5212215531), we get a palindrome (6567337656).

The spelling of 1355122125 in words is "one billion, three hundred fifty-five million, one hundred twenty-two thousand, one hundred twenty-five".