121031033 has 4 divisors (see below), whose sum is σ = 124302180. Its totient is φ = 117759888.

The previous prime is 121031021. The next prime is 121031051. The reversal of 121031033 is 330130121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330130121 = 257 ⋅1284553.

It can be written as a sum of positive squares in 2 ways, for example, as 43731769 + 77299264 = 6613^2 + 8792^2 .

It is a cyclic number.

It is not a de Polignac number, because 121031033 - 2¹⁶ = 120965497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121030999 and 121031017.

It is not an unprimeable number, because it can be changed into a prime (121031233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1635518 + ... + 1635591.

It is an arithmetic number, because the mean of its divisors is an integer number (31075545).

Almost surely, 2^121031033 is an apocalyptic number.

It is an amenable number.

121031033 is a deficient number, since it is larger than the sum of its proper divisors (3271147).

121031033 is an equidigital number, since it uses as much as digits as its factorization.

121031033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271146.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 121031033 is about 11001.4105004767. The cubic root of 121031033 is about 494.6510249892.

Adding to 121031033 its reverse (330130121), we get a palindrome (451161154).

The spelling of 121031033 in words is "one hundred twenty-one million, thirty-one thousand, thirty-three".