1051321430 has 16 divisors (see below), whose sum is σ = 1894432320. Its totient is φ = 420072192.

The previous prime is 1051321417. The next prime is 1051321457. The reversal of 1051321430 is 341231501.

It is a super-2 number, since 2×1051321430² = 2210553498354489800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 47294 + ... + 65873.

It is an arithmetic number, because the mean of its divisors is an integer number (118402020).

Almost surely, 2^1051321430 is an apocalyptic number.

1051321430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1051321430 is a deficient number, since it is larger than the sum of its proper divisors (843110890).

1051321430 is a wasteful number, since it uses less digits than its factorization.

1051321430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114103.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1051321430 is about 32424.0871883851. The cubic root of 1051321430 is about 1016.8225579578.

Adding to 1051321430 its reverse (341231501), we get a palindrome (1392552931).

The spelling of 1051321430 in words is "one billion, fifty-one million, three hundred twenty-one thousand, four hundred thirty".