122130140445 has 64 divisors (see below), whose sum is σ = 217937018880. Its totient is φ = 64891540800.

The previous prime is 122130140401. The next prime is 122130140449. The reversal of 122130140445 is 544041031221.

122130140445 is a `hidden beast` number, since 1 + 2 + 213 + 0 + 1 + 4 + 0 + 445 = 666.

It is not a de Polignac number, because 122130140445 - 2⁶ = 122130140381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122130140449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63246130 + ... + 63248060.

It is an arithmetic number, because the mean of its divisors is an integer number (3405265920).

Almost surely, 2^122130140445 is an apocalyptic number.

122130140445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122130140445 is a deficient number, since it is larger than the sum of its proper divisors (95806878435).

122130140445 is a wasteful number, since it uses less digits than its factorization.

122130140445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463 (or 3457 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 122130140445 its reverse (544041031221), we get a palindrome (666171171666).

The spelling of 122130140445 in words is "one hundred twenty-two billion, one hundred thirty million, one hundred forty thousand, four hundred forty-five".