1051223320 has 64 divisors (see below), whose sum is σ = 2796379200. Its totient is φ = 347988480.

The previous prime is 1051223267. The next prime is 1051223321. The reversal of 1051223320 is 233221501.

It is a super-2 number, since 2×1051223320² = 2210140937023644800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051223321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56611 + ... + 72850.

It is an arithmetic number, because the mean of its divisors is an integer number (43693425).

Almost surely, 2^1051223320 is an apocalyptic number.

1051223320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051223320 is an abundant number, since it is smaller than the sum of its proper divisors (1745155880).

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

1051223320 is a wasteful number, since it uses less digits than its factorization.

1051223320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129508 (or 129504 counting only the distinct ones).

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

The square root of 1051223320 is about 32422.5742346286. The cubic root of 1051223320 is about 1016.7909267929.

Adding to 1051223320 its reverse (233221501), we get a palindrome (1284444821).

The spelling of 1051223320 in words is "one billion, fifty-one million, two hundred twenty-three thousand, three hundred twenty".