270121493 has 2 divisors, whose sum is σ = 270121494. Its totient is φ = 270121492.

The previous prime is 270121471. The next prime is 270121513. The reversal of 270121493 is 394121072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242642929 + 27478564 = 15577^2 + 5242^2 .

It is a cyclic number.

It is not a de Polignac number, because 270121493 - 2¹⁰ = 270120469 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270121403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135060746 + 135060747.

It is an arithmetic number, because the mean of its divisors is an integer number (135060747).

Almost surely, 2^270121493 is an apocalyptic number.

It is an amenable number.

270121493 is a deficient number, since it is larger than the sum of its proper divisors (1).

270121493 is an equidigital number, since it uses as much as digits as its factorization.

270121493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 270121493 is about 16435.3732236296. The cubic root of 270121493 is about 646.4273364479.

The spelling of 270121493 in words is "two hundred seventy million, one hundred twenty-one thousand, four hundred ninety-three".