1051340451 has 16 divisors (see below), whose sum is σ = 1657286400. Its totient is φ = 580049568.

The previous prime is 1051340443. The next prime is 1051340473. The reversal of 1051340451 is 1540431501.

It is a happy number.

It is not a de Polignac number, because 1051340451 - 2³ = 1051340443 is a prime.

It is a super-2 number, since 2×1051340451² = 2210633487817766802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051340431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 862561 + ... + 863778.

It is an arithmetic number, because the mean of its divisors is an integer number (103580400).

Almost surely, 2^1051340451 is an apocalyptic number.

1051340451 is a deficient number, since it is larger than the sum of its proper divisors (605945949).

1051340451 is a wasteful number, since it uses less digits than its factorization.

1051340451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726378.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1051340451 is about 32424.3805029487. The cubic root of 1051340451 is about 1016.8286901975.

Adding to 1051340451 its reverse (1540431501), we get a palindrome (2591771952).

The spelling of 1051340451 in words is "one billion, fifty-one million, three hundred forty thousand, four hundred fifty-one".