33121049 has 16 divisors (see below), whose sum is σ = 38302992. Its totient is φ = 28366848.

The previous prime is 33121027. The next prime is 33121063. The reversal of 33121049 is 94012133.

It can be written as a sum of positive squares in 8 ways, for example, as 1024 + 33120025 = 32^2 + 5755^2 .

It is a cyclic number.

It is not a de Polignac number, because 33121049 - 2¹² = 33116953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33121069) 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, 15107 + ... + 17159.

It is an arithmetic number, because the mean of its divisors is an integer number (2393937).

Almost surely, 2^33121049 is an apocalyptic number.

It is an amenable number.

33121049 is a deficient number, since it is larger than the sum of its proper divisors (5181943).

33121049 is a wasteful number, since it uses less digits than its factorization.

33121049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 33121049 is about 5755.0889654288. The cubic root of 33121049 is about 321.1451451665.

The spelling of 33121049 in words is "thirty-three million, one hundred twenty-one thousand, forty-nine".