122547541457 has 16 divisors (see below), whose sum is σ = 140853462720. Its totient is φ = 105446577600.

The previous prime is 122547541451. The next prime is 122547541463. The reversal of 122547541457 is 754145745221.

It is an interprime number because it is at equal distance from previous prime (122547541451) and next prime (122547541463).

It is a cyclic number.

It is not a de Polignac number, because 122547541457 - 2¹⁴ = 122547525073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122547541451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39794 + ... + 496667.

It is an arithmetic number, because the mean of its divisors is an integer number (8803341420).

Almost surely, 2^122547541457 is an apocalyptic number.

It is an amenable number.

122547541457 is a deficient number, since it is larger than the sum of its proper divisors (18305921263).

122547541457 is a wasteful number, since it uses less digits than its factorization.

122547541457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537584.

The product of its digits is 1568000, while the sum is 47.

The spelling of 122547541457 in words is "one hundred twenty-two billion, five hundred forty-seven million, five hundred forty-one thousand, four hundred fifty-seven".