122741457145 has 16 divisors (see below), whose sum is σ = 147537190080. Its totient is φ = 98028350784.

The previous prime is 122741457127. The next prime is 122741457173. The reversal of 122741457145 is 541754147221.

It is a cyclic number.

It is not a de Polignac number, because 122741457145 - 2¹⁷ = 122741326073 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 7790686 + ... + 7806424.

It is an arithmetic number, because the mean of its divisors is an integer number (9221074380).

Almost surely, 2^122741457145 is an apocalyptic number.

It is an amenable number.

122741457145 is a deficient number, since it is larger than the sum of its proper divisors (24795732935).

122741457145 is a wasteful number, since it uses less digits than its factorization.

122741457145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18264.

The product of its digits is 313600, while the sum is 43.

The spelling of 122741457145 in words is "one hundred twenty-two billion, seven hundred forty-one million, four hundred fifty-seven thousand, one hundred forty-five".