1121445130 has 48 divisors (see below), whose sum is σ = 2208679704. Its totient is φ = 409743360.

The previous prime is 1121445107. The next prime is 1121445131. The reversal of 1121445130 is 315441211.

It can be written as a sum of positive squares in 12 ways, for example, as 1940449 + 1119504681 = 1393^2 + 33459^2 .

It is not an unprimeable number, because it can be changed into a prime (1121445131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160510 + ... + 167350.

Almost surely, 2^1121445130 is an apocalyptic number.

1121445130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121445130 is a deficient number, since it is larger than the sum of its proper divisors (1087234574).

1121445130 is a wasteful number, since it uses less digits than its factorization.

1121445130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971 (or 6958 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1121445130 is about 33487.9848602450. The cubic root of 1121445130 is about 1038.9452848898.

Adding to 1121445130 its reverse (315441211), we get a palindrome (1436886341).

The spelling of 1121445130 in words is "one billion, one hundred twenty-one million, four hundred forty-five thousand, one hundred thirty".