122021054525 has 12 divisors (see below), whose sum is σ = 151399155072. Its totient is φ = 97556813040.

The previous prime is 122021054489. The next prime is 122021054537. The reversal of 122021054525 is 525450120221.

It is a happy number.

It is not a de Polignac number, because 122021054525 - 2¹⁸ = 122020792381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1459277 + ... + 1540626.

It is an arithmetic number, because the mean of its divisors is an integer number (12616596256).

Almost surely, 2^122021054525 is an apocalyptic number.

It is an amenable number.

122021054525 is a deficient number, since it is larger than the sum of its proper divisors (29378100547).

122021054525 is a wasteful number, since it uses less digits than its factorization.

122021054525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001540 (or 3001535 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 122021054525 its reverse (525450120221), we get a palindrome (647471174746).

The spelling of 122021054525 in words is "one hundred twenty-two billion, twenty-one million, fifty-four thousand, five hundred twenty-five".