12121035 has 16 divisors (see below), whose sum is σ = 19867680. Its totient is φ = 6306560.

The previous prime is 12121009. The next prime is 12121061. The reversal of 12121035 is 53012121.

It is an interprime number because it is at equal distance from previous prime (12121009) and next prime (12121061).

It is not a de Polignac number, because 12121035 - 2⁹ = 12120523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9240 + ... + 10469.

It is an arithmetic number, because the mean of its divisors is an integer number (1241730).

Almost surely, 2^12121035 is an apocalyptic number.

12121035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12121035 is a deficient number, since it is larger than the sum of its proper divisors (7746645).

12121035 is a wasteful number, since it uses less digits than its factorization.

12121035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19758.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 12121035 is about 3481.5276819236. The cubic root of 12121035 is about 229.7099999709.

Adding to 12121035 its reverse (53012121), we get a palindrome (65133156).

The spelling of 12121035 in words is "twelve million, one hundred twenty-one thousand, thirty-five".