122552751545 has 32 divisors (see below), whose sum is σ = 178028471808. Its totient is φ = 79061971968.

The previous prime is 122552751493. The next prime is 122552751557. The reversal of 122552751545 is 545157255221.

It is not a de Polignac number, because 122552751545 - 2¹⁰ = 122552750521 is a prime.

It is a super-2 number, since 2×122552751545² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122552751496 and 122552751505.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1536059 + ... + 1613871.

It is an arithmetic number, because the mean of its divisors is an integer number (5563389744).

Almost surely, 2^122552751545 is an apocalyptic number.

It is an amenable number.

122552751545 is a deficient number, since it is larger than the sum of its proper divisors (55475720263).

122552751545 is a wasteful number, since it uses less digits than its factorization.

122552751545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80489.

The product of its digits is 700000, while the sum is 44.

The spelling of 122552751545 in words is "one hundred twenty-two billion, five hundred fifty-two million, seven hundred fifty-one thousand, five hundred forty-five".