121134451 has 4 divisors (see below), whose sum is σ = 122333904. Its totient is φ = 119935000.

The previous prime is 121134439. The next prime is 121134457. The reversal of 121134451 is 154431121.

121134451 = T₁₄₉₈ + T₁₄₉₉ + ... + T₁₅₉₈.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121134451 - 2¹⁵ = 121101683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121134457) 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, 599575 + ... + 599776.

It is an arithmetic number, because the mean of its divisors is an integer number (30583476).

Almost surely, 2^121134451 is an apocalyptic number.

121134451 is a deficient number, since it is larger than the sum of its proper divisors (1199453).

121134451 is a wasteful number, since it uses less digits than its factorization.

121134451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199452.

The product of its digits is 480, while the sum is 22.

The square root of 121134451 is about 11006.1097123371. The cubic root of 121134451 is about 494.7918738687.

Adding to 121134451 its reverse (154431121), we get a palindrome (275565572).

The spelling of 121134451 in words is "one hundred twenty-one million, one hundred thirty-four thousand, four hundred fifty-one".