121010353 has 2 divisors, whose sum is σ = 121010354. Its totient is φ = 121010352.

The previous prime is 121010347. The next prime is 121010413. The reversal of 121010353 is 353010121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117137329 + 3873024 = 10823^2 + 1968^2 .

It is an emirp because it is prime and its reverse (353010121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121010353 - 2⁵ = 121010321 is a prime.

It is not a weakly prime, because it can be changed into another prime (121010303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505176 + 60505177.

It is an arithmetic number, because the mean of its divisors is an integer number (60505177).

Almost surely, 2^121010353 is an apocalyptic number.

It is an amenable number.

121010353 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010353 is an equidigital number, since it uses as much as digits as its factorization.

121010353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 121010353 is about 11000.4705808433. The cubic root of 121010353 is about 494.6228504910.

Adding to 121010353 its reverse (353010121), we get a palindrome (474020474).

The spelling of 121010353 in words is "one hundred twenty-one million, ten thousand, three hundred fifty-three".