121313002 has 4 divisors (see below), whose sum is σ = 181969506. Its totient is φ = 60656500.

The previous prime is 121312999. The next prime is 121313009. The reversal of 121313002 is 200313121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200313121 = 29 ⋅6907349.

It can be written as a sum of positive squares in only one way, i.e., 121198081 + 114921 = 11009^2 + 339^2 .

It is not an unprimeable number, because it can be changed into a prime (121313009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30328249 + ... + 30328252.

Almost surely, 2^121313002 is an apocalyptic number.

121313002 is a deficient number, since it is larger than the sum of its proper divisors (60656504).

121313002 is an equidigital number, since it uses as much as digits as its factorization.

121313002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60656503.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 121313002 is about 11014.2181747049. The cubic root of 121313002 is about 495.0348606541.

Adding to 121313002 its reverse (200313121), we get a palindrome (321626123).

The spelling of 121313002 in words is "one hundred twenty-one million, three hundred thirteen thousand, two".