121134263 has 4 divisors (see below), whose sum is σ = 124408200. Its totient is φ = 117860328.

The previous prime is 121134241. The next prime is 121134271. The reversal of 121134263 is 362431121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 362431121 = 13 ⋅27879317.

It is a cyclic number.

It is not a de Polignac number, because 121134263 - 2⁸ = 121134007 is a prime.

It is a super-4 number, since 4×121134263⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121134863) 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, 1636913 + ... + 1636986.

It is an arithmetic number, because the mean of its divisors is an integer number (31102050).

Almost surely, 2^121134263 is an apocalyptic number.

121134263 is a deficient number, since it is larger than the sum of its proper divisors (3273937).

121134263 is an equidigital number, since it uses as much as digits as its factorization.

121134263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273936.

The product of its digits is 864, while the sum is 23.

The square root of 121134263 is about 11006.1011716229. The cubic root of 121134263 is about 494.7916178971.

Adding to 121134263 its reverse (362431121), we get a palindrome (483565384).

The spelling of 121134263 in words is "one hundred twenty-one million, one hundred thirty-four thousand, two hundred sixty-three".