1051121451 has 8 divisors (see below), whose sum is σ = 1402079184. Its totient is φ = 700455680.

The previous prime is 1051121429. The next prime is 1051121453. The reversal of 1051121451 is 1541211501.

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 1051121451 - 2¹¹ = 1051119403 is a prime.

It is a super-2 number, since 2×1051121451² = 2209712609504690802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051121453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64446 + ... + 79091.

It is an arithmetic number, because the mean of its divisors is an integer number (175259898).

Almost surely, 2^1051121451 is an apocalyptic number.

1051121451 is a deficient number, since it is larger than the sum of its proper divisors (350957733).

1051121451 is a wasteful number, since it uses less digits than its factorization.

1051121451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145981.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 1051121451 is about 32421.0032386415. The cubic root of 1051121451 is about 1016.7580816245.

Adding to 1051121451 its reverse (1541211501), we get a palindrome (2592332952).

The spelling of 1051121451 in words is "one billion, fifty-one million, one hundred twenty-one thousand, four hundred fifty-one".