121133451 has 8 divisors (see below), whose sum is σ = 165267520. Its totient is φ = 78877512.

The previous prime is 121133423. The next prime is 121133471. The reversal of 121133451 is 154331121.

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

It is not a de Polignac number, because 121133451 - 2⁷ = 121133323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121133471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469381 + ... + 469638.

It is an arithmetic number, because the mean of its divisors is an integer number (20658440).

Almost surely, 2^121133451 is an apocalyptic number.

121133451 is a deficient number, since it is larger than the sum of its proper divisors (44134069).

121133451 is an equidigital number, since it uses as much as digits as its factorization.

121133451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939065.

The product of its digits is 360, while the sum is 21.

The square root of 121133451 is about 11006.0642829306. The cubic root of 121133451 is about 494.7905123148.

Adding to 121133451 its reverse (154331121), we get a palindrome (275464572).

The spelling of 121133451 in words is "one hundred twenty-one million, one hundred thirty-three thousand, four hundred fifty-one".