275152121 has 4 divisors (see below), whose sum is σ = 275366544. Its totient is φ = 274937700.

The previous prime is 275152081. The next prime is 275152153. The reversal of 275152121 is 121251572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 275152121 - 2¹⁸ = 274889977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (275152421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105275 + ... + 107856.

It is an arithmetic number, because the mean of its divisors is an integer number (68841636).

Almost surely, 2^275152121 is an apocalyptic number.

It is an amenable number.

275152121 is a deficient number, since it is larger than the sum of its proper divisors (214423).

275152121 is a wasteful number, since it uses less digits than its factorization.

275152121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214422.

The product of its digits is 1400, while the sum is 26.

The square root of 275152121 is about 16587.7099383851. The cubic root of 275152121 is about 650.4156087601.

It can be divided in two parts, 2751 and 52121, that added together give a cube (54872 = 38³).

The spelling of 275152121 in words is "two hundred seventy-five million, one hundred fifty-two thousand, one hundred twenty-one".