121430541 has 16 divisors (see below), whose sum is σ = 172001664. Its totient is φ = 75938304.

The previous prime is 121430509. The next prime is 121430549. The reversal of 121430541 is 145034121.

It is not a de Polignac number, because 121430541 - 2⁵ = 121430509 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121430549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12160 + ... + 19766.

It is an arithmetic number, because the mean of its divisors is an integer number (10750104).

Almost surely, 2^121430541 is an apocalyptic number.

It is an amenable number.

121430541 is a deficient number, since it is larger than the sum of its proper divisors (50571123).

121430541 is a wasteful number, since it uses less digits than its factorization.

121430541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7940.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 121430541 is about 11019.5526678718. The cubic root of 121430541 is about 495.1946872176.

Adding to 121430541 its reverse (145034121), we get a palindrome (266464662).

The spelling of 121430541 in words is "one hundred twenty-one million, four hundred thirty thousand, five hundred forty-one".