123115035 has 16 divisors (see below), whose sum is σ = 199199520. Its totient is φ = 64922880.

The previous prime is 123115033. The next prime is 123115049. The reversal of 123115035 is 530511321.

It is not a de Polignac number, because 123115035 - 2¹ = 123115033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123115033) 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, 44776 + ... + 47445.

It is an arithmetic number, because the mean of its divisors is an integer number (12449970).

Almost surely, 2^123115035 is an apocalyptic number.

123115035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

123115035 is a deficient number, since it is larger than the sum of its proper divisors (76084485).

123115035 is an equidigital number, since it uses as much as digits as its factorization.

123115035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92318.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 123115035 is about 11095.7214727119. The cubic root of 123115035 is about 497.4739732014.

Adding to 123115035 its reverse (530511321), we get a palindrome (653626356).

The spelling of 123115035 in words is "one hundred twenty-three million, one hundred fifteen thousand, thirty-five".