122503551345 has 48 divisors (see below), whose sum is σ = 242698315392. Its totient is φ = 55995943680.

The previous prime is 122503551343. The next prime is 122503551371. The reversal of 122503551345 is 543155305221.

122503551345 is a `hidden beast` number, since 1 + 2 + 250 + 355 + 13 + 45 = 666.

It is not a de Polignac number, because 122503551345 - 2¹ = 122503551343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122503551343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6127165 + ... + 6147125.

It is an arithmetic number, because the mean of its divisors is an integer number (5056214904).

Almost surely, 2^122503551345 is an apocalyptic number.

122503551345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122503551345 is a deficient number, since it is larger than the sum of its proper divisors (120194764047).

122503551345 is a wasteful number, since it uses less digits than its factorization.

122503551345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39462 (or 39459 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 122503551345 its reverse (543155305221), we get a palindrome (665658856566).

The spelling of 122503551345 in words is "one hundred twenty-two billion, five hundred three million, five hundred fifty-one thousand, three hundred forty-five".