33434121 has 36 divisors (see below), whose sum is σ = 55156848. Its totient is φ = 17958528.

The previous prime is 33434119. The next prime is 33434123. The reversal of 33434121 is 12143433.

It is an interprime number because it is at equal distance from previous prime (33434119) and next prime (33434123).

It is not a de Polignac number, because 33434121 - 2¹ = 33434119 is a prime.

It is a super-2 number, since 2×33434121² = 2235680894085282, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (33434123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 42090 + ... + 42876.

Almost surely, 2^33434121 is an apocalyptic number.

It is an amenable number.

33434121 is a deficient number, since it is larger than the sum of its proper divisors (21722727).

33434121 is a wasteful number, since it uses less digits than its factorization.

33434121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 814 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 33434121 is about 5782.2245719100. The cubic root of 33434121 is about 322.1538332378.

Adding to 33434121 its reverse (12143433), we get a palindrome (45577554).

The spelling of 33434121 in words is "thirty-three million, four hundred thirty-four thousand, one hundred twenty-one".