1125414280 has 32 divisors (see below), whose sum is σ = 2681135640. Its totient is φ = 423685120.

The previous prime is 1125414259. The next prime is 1125414293. The reversal of 1125414280 is 824145211.

It can be written as a sum of positive squares in 4 ways, for example, as 1122652036 + 2762244 = 33506^2 + 1662^2 .

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, 826831 + ... + 828190.

Almost surely, 2^1125414280 is an apocalyptic number.

1125414280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125414280 is an abundant number, since it is smaller than the sum of its proper divisors (1555721360).

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

1125414280 is a wasteful number, since it uses less digits than its factorization.

1125414280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655049 (or 1655045 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1125414280 is about 33547.1948156623. The cubic root of 1125414280 is about 1040.1695606178.

Adding to 1125414280 its reverse (824145211), we get a palindrome (1949559491).

The spelling of 1125414280 in words is "one billion, one hundred twenty-five million, four hundred fourteen thousand, two hundred eighty".