121545033 has 16 divisors (see below), whose sum is σ = 174753600. Its totient is φ = 74891520.

The previous prime is 121545029. The next prime is 121545043. The reversal of 121545033 is 330545121.

It is not a de Polignac number, because 121545033 - 2² = 121545029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121544994 and 121545012.

It is not an unprimeable number, because it can be changed into a prime (121545013) 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, 23668 + ... + 28341.

It is an arithmetic number, because the mean of its divisors is an integer number (10922100).

Almost surely, 2^121545033 is an apocalyptic number.

It is an amenable number.

121545033 is a deficient number, since it is larger than the sum of its proper divisors (53208567).

121545033 is a wasteful number, since it uses less digits than its factorization.

121545033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52072.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 121545033 is about 11024.7463916409. The cubic root of 121545033 is about 495.3502714176.

The spelling of 121545033 in words is "one hundred twenty-one million, five hundred forty-five thousand, thirty-three".