121550033 has 8 divisors (see below), whose sum is σ = 132965760. Its totient is φ = 110195280.

The previous prime is 121549957. The next prime is 121550047. The reversal of 121550033 is 330055121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121550033 - 2¹⁶ = 121484497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121549987 and 121550014.

It is not an unprimeable number, because it can be changed into a prime (121550633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11018 + ... + 19091.

It is an arithmetic number, because the mean of its divisors is an integer number (16620720).

Almost surely, 2^121550033 is an apocalyptic number.

It is an amenable number.

121550033 is a deficient number, since it is larger than the sum of its proper divisors (11415727).

121550033 is a wasteful number, since it uses less digits than its factorization.

121550033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30487.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 121550033 is about 11024.9731518947. The cubic root of 121550033 is about 495.3570637352.

The spelling of 121550033 in words is "one hundred twenty-one million, five hundred fifty thousand, thirty-three".