122261295558 has 32 divisors (see below), whose sum is σ = 249538687200. Its totient is φ = 39926151936.

The previous prime is 122261295553. The next prime is 122261295571. The reversal of 122261295558 is 855592162221.

It is a super-3 number, since 3×122261295558³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122261295553) 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, 992041 + ... + 1108452.

It is an arithmetic number, because the mean of its divisors is an integer number (7798083975).

Almost surely, 2^122261295558 is an apocalyptic number.

122261295558 is an abundant number, since it is smaller than the sum of its proper divisors (127277391642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122261295558 is a wasteful number, since it uses less digits than its factorization.

122261295558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100696.

The product of its digits is 864000, while the sum is 48.

The spelling of 122261295558 in words is "one hundred twenty-two billion, two hundred sixty-one million, two hundred ninety-five thousand, five hundred fifty-eight".