123501055 has 8 divisors (see below), whose sum is σ = 152982144. Its totient is φ = 95613600.

The previous prime is 123501047. The next prime is 123501071. The reversal of 123501055 is 550105321.

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

It is not a de Polignac number, because 123501055 - 2³ = 123501047 is a prime.

It is a super-2 number, since 2×123501055² = 30505021172226050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398236 + ... + 398545.

It is an arithmetic number, because the mean of its divisors is an integer number (19122768).

Almost surely, 2^123501055 is an apocalyptic number.

123501055 is a deficient number, since it is larger than the sum of its proper divisors (29481089).

123501055 is an equidigital number, since it uses as much as digits as its factorization.

123501055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796817.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 123501055 is about 11113.1028520391. The cubic root of 123501055 is about 497.9933642659.

Adding to 123501055 its reverse (550105321), we get a palindrome (673606376).

The spelling of 123501055 in words is "one hundred twenty-three million, five hundred one thousand, fifty-five".