121342502 has 4 divisors (see below), whose sum is σ = 182013756. Its totient is φ = 60671250.

The previous prime is 121342483. The next prime is 121342519. The reversal of 121342502 is 205243121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 205243121 = 29 ⋅7077349.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30335624 + ... + 30335627.

It is an arithmetic number, because the mean of its divisors is an integer number (45503439).

Almost surely, 2^121342502 is an apocalyptic number.

121342502 is a deficient number, since it is larger than the sum of its proper divisors (60671254).

121342502 is an equidigital number, since it uses as much as digits as its factorization.

121342502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60671253.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 121342502 is about 11015.5572714230. The cubic root of 121342502 is about 495.0749837093.

Adding to 121342502 its reverse (205243121), we get a palindrome (326585623).

The spelling of 121342502 in words is "one hundred twenty-one million, three hundred forty-two thousand, five hundred two".