121033019 has 2 divisors, whose sum is σ = 121033020. Its totient is φ = 121033018.

The previous prime is 121033009. The next prime is 121033039. The reversal of 121033019 is 910330121.

It is an a-pointer prime, because the next prime (121033039) can be obtained adding 121033019 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121033019 - 2⁸ = 121032763 is a prime.

It is a super-2 number, since 2×121033019² = 29297983376508722, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (121033009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60516509 + 60516510.

It is an arithmetic number, because the mean of its divisors is an integer number (60516510).

Almost surely, 2^121033019 is an apocalyptic number.

121033019 is a deficient number, since it is larger than the sum of its proper divisors (1).

121033019 is an equidigital number, since it uses as much as digits as its factorization.

121033019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 121033019 is about 11001.5007612598. The cubic root of 121033019 is about 494.6537305530.

The spelling of 121033019 in words is "one hundred twenty-one million, thirty-three thousand, nineteen".