1051450000 has 120 divisors (see below), whose sum is σ = 2698280424. Its totient is φ = 395520000.

The previous prime is 1051449977. The next prime is 1051450021. The reversal of 1051450000 is 541501.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 947654656 + 103795344 = 30784^2 + 10188^2 .

It is a super-2 number, since 2×1051450000² = 2211094205000000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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 23 ways as a sum of consecutive naturals, for example, 849382 + ... + 850618.

Almost surely, 2^1051450000 is an apocalyptic number.

1051450000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1349140212).

1051450000 is an abundant number, since it is smaller than the sum of its proper divisors (1646830424).

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

1051450000 is an equidigital number, since it uses as much as digits as its factorization.

1051450000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287 (or 1261 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1051450000 is about 32426.0697587605. The cubic root of 1051450000 is about 1016.8640066032.

Adding to 1051450000 its reverse (541501), we get a palindrome (1051991501).

The spelling of 1051450000 in words is "one billion, fifty-one million, four hundred fifty thousand".