122425155154 has 8 divisors (see below), whose sum is σ = 188116701948. Its totient is φ = 59719587840.

The previous prime is 122425155109. The next prime is 122425155187. The reversal of 122425155154 is 451551524221.

It can be written as a sum of positive squares in 2 ways, for example, as 92767148929 + 29658006225 = 304577^2 + 172215^2 .

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

It is a super-2 number, since 2×122425155154² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 746494767 + ... + 746494930.

Almost surely, 2^122425155154 is an apocalyptic number.

122425155154 is a deficient number, since it is larger than the sum of its proper divisors (65691546794).

122425155154 is a wasteful number, since it uses less digits than its factorization.

122425155154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492989740.

The product of its digits is 80000, while the sum is 37.

Adding to 122425155154 its reverse (451551524221), we get a palindrome (573976679375).

The spelling of 122425155154 in words is "one hundred twenty-two billion, four hundred twenty-five million, one hundred fifty-five thousand, one hundred fifty-four".