123120034 has 16 divisors (see below), whose sum is σ = 191093760. Its totient is φ = 59431680.

The previous prime is 123120029. The next prime is 123120047. The reversal of 123120034 is 430021321.

It is a happy number.

It is a super-2 number, since 2×123120034² = 30317085544322312, which contains 22 as substring.

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, 26562 + ... + 30850.

It is an arithmetic number, because the mean of its divisors is an integer number (11943360).

Almost surely, 2^123120034 is an apocalyptic number.

123120034 is a deficient number, since it is larger than the sum of its proper divisors (67973726).

123120034 is a wasteful number, since it uses less digits than its factorization.

123120034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 123120034 is about 11095.9467374353. The cubic root of 123120034 is about 497.4807063046.

Adding to 123120034 its reverse (430021321), we get a palindrome (553141355).

The spelling of 123120034 in words is "one hundred twenty-three million, one hundred twenty thousand, thirty-four".