121655341 has 4 divisors (see below), whose sum is σ = 123121152. Its totient is φ = 120189532.

The previous prime is 121655333. The next prime is 121655357. The reversal of 121655341 is 143556121.

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.

It is a cyclic number.

It is not a de Polignac number, because 121655341 - 2³ = 121655333 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 (121655311) 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, 732781 + ... + 732946.

It is an arithmetic number, because the mean of its divisors is an integer number (30780288).

Almost surely, 2^121655341 is an apocalyptic number.

It is an amenable number.

121655341 is a deficient number, since it is larger than the sum of its proper divisors (1465811).

121655341 is an equidigital number, since it uses as much as digits as its factorization.

121655341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465810.

The product of its digits is 3600, while the sum is 28.

The square root of 121655341 is about 11029.7480025611. The cubic root of 121655341 is about 495.5000775564.

The spelling of 121655341 in words is "one hundred twenty-one million, six hundred fifty-five thousand, three hundred forty-one".