121130455 has 8 divisors (see below), whose sum is σ = 145816992. Its totient is φ = 96597408.

The previous prime is 121130447. The next prime is 121130479. The reversal of 121130455 is 554031121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121130455 - 2³ = 121130447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36627 + ... + 39796.

It is an arithmetic number, because the mean of its divisors is an integer number (18227124).

Almost surely, 2^121130455 is an apocalyptic number.

121130455 is a deficient number, since it is larger than the sum of its proper divisors (24686537).

121130455 is an equidigital number, since it uses as much as digits as its factorization.

121130455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76745.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 121130455 is about 11005.9281753063. The cubic root of 121130455 is about 494.7864330546.

Adding to 121130455 its reverse (554031121), we get a palindrome (675161576).

The spelling of 121130455 in words is "one hundred twenty-one million, one hundred thirty thousand, four hundred fifty-five".