121342452 has 96 divisors (see below), whose sum is σ = 361718784. Its totient is φ = 30739200.

The previous prime is 121342421. The next prime is 121342483. The reversal of 121342452 is 254243121.

It is an interprime number because it is at equal distance from previous prime (121342421) and next prime (121342483).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36283 + ... + 39485.

It is an arithmetic number, because the mean of its divisors is an integer number (3767904).

Almost surely, 2^121342452 is an apocalyptic number.

121342452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121342452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180859392).

121342452 is an abundant number, since it is smaller than the sum of its proper divisors (240376332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121342452 is a wasteful number, since it uses less digits than its factorization.

121342452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269 (or 3267 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 121342452 is about 11015.5550019053. Note that the first 3 decimals coincide. The cubic root of 121342452 is about 495.0749157096.

Adding to 121342452 its reverse (254243121), we get a palindrome (375585573).

The spelling of 121342452 in words is "one hundred twenty-one million, three hundred forty-two thousand, four hundred fifty-two".