122547202725 has 24 divisors (see below), whose sum is σ = 213275134240. Its totient is φ = 61918585920.

The previous prime is 122547202717. The next prime is 122547202751. The reversal of 122547202725 is 527202745221.

It is not a de Polignac number, because 122547202725 - 2³ = 122547202717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42997594 + ... + 43000443.

Almost surely, 2^122547202725 is an apocalyptic number.

122547202725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122547202725 is a deficient number, since it is larger than the sum of its proper divisors (90727931515).

122547202725 is a wasteful number, since it uses less digits than its factorization.

122547202725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85998069 (or 85998064 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 39.

Adding to 122547202725 its reverse (527202745221), we get a palindrome (649749947946).

The spelling of 122547202725 in words is "one hundred twenty-two billion, five hundred forty-seven million, two hundred two thousand, seven hundred twenty-five".