121493 has 2 divisors, whose sum is σ = 121494. Its totient is φ = 121492.

The previous prime is 121487. The next prime is 121501. The reversal of 121493 is 394121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117649 + 3844 = 343^2 + 62^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60746 + 60747.

It is an arithmetic number, because the mean of its divisors is an integer number (60747).

2¹²¹⁴⁹³ is an apocalyptic number.

It is an amenable number.

121493 is a deficient number, since it is larger than the sum of its proper divisors (1).

121493 is an equidigital number, since it uses as much as digits as its factorization.

121493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 20.

The square root of 121493 is about 348.5584599461. The cubic root of 121493 is about 49.5279575427.

The spelling of 121493 in words is "one hundred twenty-one thousand, four hundred ninety-three".