451121414 has 4 divisors (see below), whose sum is σ = 676682124. Its totient is φ = 225560706.

The previous prime is 451121383. The next prime is 451121417. The reversal of 451121414 is 414121154.

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

It is a self number, because there is not a number n which added to its sum of digits gives 451121414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451121417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112780352 + ... + 112780355.

It is an arithmetic number, because the mean of its divisors is an integer number (169170531).

Almost surely, 2^451121414 is an apocalyptic number.

451121414 is a deficient number, since it is larger than the sum of its proper divisors (225560710).

451121414 is a wasteful number, since it uses less digits than its factorization.

451121414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225560709.

The product of its digits is 640, while the sum is 23.

The square root of 451121414 is about 21239.6189702170. The cubic root of 451121414 is about 766.9454600010.

Adding to 451121414 its reverse (414121154), we get a palindrome (865242568).

The spelling of 451121414 in words is "four hundred fifty-one million, one hundred twenty-one thousand, four hundred fourteen".