122540120566 has 8 divisors (see below), whose sum is σ = 183811892040. Its totient is φ = 61269489888.

The previous prime is 122540120537. The next prime is 122540120611. The reversal of 122540120566 is 665021045221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×122540120566² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73645 + ... + 500503.

It is an arithmetic number, because the mean of its divisors is an integer number (22976486505).

Almost surely, 2^122540120566 is an apocalyptic number.

122540120566 is a deficient number, since it is larger than the sum of its proper divisors (61271771474).

122540120566 is a wasteful number, since it uses less digits than its factorization.

122540120566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570398.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 122540120566 its reverse (665021045221), we get a palindrome (787561165787).

The spelling of 122540120566 in words is "one hundred twenty-two billion, five hundred forty million, one hundred twenty thousand, five hundred sixty-six".