121132013 has 4 divisors (see below), whose sum is σ = 121299360. Its totient is φ = 120964668.

The previous prime is 121132003. The next prime is 121132051. The reversal of 121132013 is 310231121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310231121 = 7433 ⋅41737.

It is a cyclic number.

It is not a de Polignac number, because 121132013 - 2⁶ = 121131949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121132003) 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, 82583 + ... + 84036.

It is an arithmetic number, because the mean of its divisors is an integer number (30324840).

Almost surely, 2^121132013 is an apocalyptic number.

It is an amenable number.

121132013 is a deficient number, since it is larger than the sum of its proper divisors (167347).

121132013 is an equidigital number, since it uses as much as digits as its factorization.

121132013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167346.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 121132013 is about 11005.9989551153. The cubic root of 121132013 is about 494.7885543873.

Adding to 121132013 its reverse (310231121), we get a palindrome (431363134).

The spelling of 121132013 in words is "one hundred twenty-one million, one hundred thirty-two thousand, thirteen".