121130393 has 2 divisors, whose sum is σ = 121130394. Its totient is φ = 121130392.

The previous prime is 121130381. The next prime is 121130407. The reversal of 121130393 is 393031121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106667584 + 14462809 = 10328^2 + 3803^2 .

It is a cyclic number.

It is not a de Polignac number, because 121130393 - 2⁸ = 121130137 is a prime.

It is not a weakly prime, because it can be changed into another prime (120130393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60565196 + 60565197.

It is an arithmetic number, because the mean of its divisors is an integer number (60565197).

Almost surely, 2^121130393 is an apocalyptic number.

It is an amenable number.

121130393 is a deficient number, since it is larger than the sum of its proper divisors (1).

121130393 is an equidigital number, since it uses as much as digits as its factorization.

121130393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 121130393 is about 11005.9253586420. The cubic root of 121130393 is about 494.7863486367.

The spelling of 121130393 in words is "one hundred twenty-one million, one hundred thirty thousand, three hundred ninety-three".