121327541 has 4 divisors (see below), whose sum is σ = 123384000. Its totient is φ = 119271084.

The previous prime is 121327529. The next prime is 121327543. The reversal of 121327541 is 145723121.

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 121327541 - 2²⁶ = 54218677 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121327541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121327543) 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, 1028141 + ... + 1028258.

It is an arithmetic number, because the mean of its divisors is an integer number (30846000).

Almost surely, 2^121327541 is an apocalyptic number.

It is an amenable number.

121327541 is a deficient number, since it is larger than the sum of its proper divisors (2056459).

121327541 is an equidigital number, since it uses as much as digits as its factorization.

121327541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056458.

The product of its digits is 1680, while the sum is 26.

The square root of 121327541 is about 11014.8781654633. The cubic root of 121327541 is about 495.0546360126.

The spelling of 121327541 in words is "one hundred twenty-one million, three hundred twenty-seven thousand, five hundred forty-one".