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121332341 = 139333257
BaseRepresentation
bin1110011101101…
…10001001110101
322110022022200102
413032312021311
5222030113331
620012323445
73002210414
oct716661165
9273268612
10121332341
1162541869
1234773585
131c1a24b0
141218547b
15a9ba4cb
hex73b6275

121332341 has 4 divisors (see below), whose sum is σ = 130665612. Its totient is φ = 111999072.

The previous prime is 121332319. The next prime is 121332373. The reversal of 121332341 is 143233121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143233121 = 236227527.

It can be written as a sum of positive squares in 2 ways, for example, as 18309841 + 103022500 = 4279^2 + 10150^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121332341 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 (121332241) 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, 4666616 + ... + 4666641.

It is an arithmetic number, because the mean of its divisors is an integer number (32666403).

Almost surely, 2121332341 is an apocalyptic number.

It is an amenable number.

121332341 is a deficient number, since it is larger than the sum of its proper divisors (9333271).

121332341 is an equidigital number, since it uses as much as digits as its factorization.

121332341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9333270.

The product of its digits is 432, while the sum is 20.

The square root of 121332341 is about 11015.0960504210. The cubic root of 121332341 is about 495.0611644312.

Adding to 121332341 its reverse (143233121), we get a palindrome (264565462).

The spelling of 121332341 in words is "one hundred twenty-one million, three hundred thirty-two thousand, three hundred forty-one".

Divisors: 1 13 9333257 121332341