121135263 has 32 divisors (see below), whose sum is σ = 170263296. Its totient is φ = 76547328.

The previous prime is 121135253. The next prime is 121135327. The reversal of 121135263 is 362531121.

It is not a de Polignac number, because 121135263 - 2⁴ = 121135247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121135253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 884131 + ... + 884267.

It is an arithmetic number, because the mean of its divisors is an integer number (5320728).

Almost surely, 2^121135263 is an apocalyptic number.

121135263 is a deficient number, since it is larger than the sum of its proper divisors (49128033).

121135263 is a wasteful number, since it uses less digits than its factorization.

121135263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

The product of its digits is 1080, while the sum is 24.

The square root of 121135263 is about 11006.1466008772. The cubic root of 121135263 is about 494.7929794449.

Adding to 121135263 its reverse (362531121), we get a palindrome (483666384).

The spelling of 121135263 in words is "one hundred twenty-one million, one hundred thirty-five thousand, two hundred sixty-three".