122045525453 has 4 divisors (see below), whose sum is σ = 125022245628. Its totient is φ = 119068805280.

The previous prime is 122045525447. The next prime is 122045525461. The reversal of 122045525453 is 354525540221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 354525540221 = 19 ⋅18659238959.

It can be written as a sum of positive squares in 2 ways, for example, as 45516942409 + 76528583044 = 213347^2 + 276638^2 .

It is a cyclic number.

It is not a de Polignac number, because 122045525453 - 2¹² = 122045521357 is a prime.

It is a super-2 number, since 2×122045525453² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122045525443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1488360026 + ... + 1488360107.

It is an arithmetic number, because the mean of its divisors is an integer number (31255561407).

Almost surely, 2^122045525453 is an apocalyptic number.

It is an amenable number.

122045525453 is a deficient number, since it is larger than the sum of its proper divisors (2976720175).

122045525453 is an equidigital number, since it uses as much as digits as its factorization.

122045525453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976720174.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 122045525453 in words is "one hundred twenty-two billion, forty-five million, five hundred twenty-five thousand, four hundred fifty-three".