122743961516 has 18 divisors (see below), whose sum is σ = 234333817788. Its totient is φ = 55791653440.

The previous prime is 122743961507. The next prime is 122743961521. The reversal of 122743961516 is 615169347221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2297540 + ... + 2350356.

Almost surely, 2^122743961516 is an apocalyptic number.

It is an amenable number.

122743961516 is a deficient number, since it is larger than the sum of its proper divisors (111589856272).

122743961516 is an frugal number, since it uses more digits than its factorization.

122743961516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105649 (or 52830 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The spelling of 122743961516 in words is "one hundred twenty-two billion, seven hundred forty-three million, nine hundred sixty-one thousand, five hundred sixteen".