1051340320 has 48 divisors (see below), whose sum is σ = 2509434648. Its totient is φ = 416194560.

The previous prime is 1051340291. The next prime is 1051340347. The reversal of 1051340320 is 230431501.

It can be written as a sum of positive squares in 4 ways, for example, as 869306256 + 182034064 = 29484^2 + 13492^2 .

It is a super-2 number, since 2×1051340320² = 2210632936915404800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18351 + ... + 49390.

Almost surely, 2^1051340320 is an apocalyptic number.

1051340320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051340320 is an abundant number, since it is smaller than the sum of its proper divisors (1458094328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051340320 is an equidigital number, since it uses as much as digits as its factorization.

1051340320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67853 (or 67845 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1051340320 is about 32424.3784828638. The cubic root of 1051340320 is about 1016.8286479643.

Adding to 1051340320 its reverse (230431501), we get a palindrome (1281771821).

The spelling of 1051340320 in words is "one billion, fifty-one million, three hundred forty thousand, three hundred twenty".