122761985471 has 16 divisors (see below), whose sum is σ = 130785838848. Its totient is φ = 114829056000.

The previous prime is 122761985459. The next prime is 122761985491. The reversal of 122761985471 is 174589167221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122761985471 - 2⁶ = 122761985407 is a prime.

It is a super-3 number, since 3×122761985471³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122761985491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2251451 + ... + 2305331.

It is an arithmetic number, because the mean of its divisors is an integer number (8174114928).

Almost surely, 2^122761985471 is an apocalyptic number.

122761985471 is a deficient number, since it is larger than the sum of its proper divisors (8023853377).

122761985471 is a wasteful number, since it uses less digits than its factorization.

122761985471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54722.

The product of its digits is 1693440, while the sum is 53.

The spelling of 122761985471 in words is "one hundred twenty-two billion, seven hundred sixty-one million, nine hundred eighty-five thousand, four hundred seventy-one".