1150280 has 32 divisors (see below), whose sum is σ = 2619000. Its totient is φ = 454656.

The previous prime is 1150249. The next prime is 1150301. The reversal of 1150280 is 820511.

1150280 = T₁₂₈ + T₁₂₉ + ... + T₂₀₇.

It can be written as a sum of positive squares in 4 ways, for example, as 538756 + 611524 = 734^2 + 782^2 .

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, 5864 + ... + 6056.

2^1150280 is an apocalyptic number.

1150280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150280 is an abundant number, since it is smaller than the sum of its proper divisors (1468720).

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

1150280 is a wasteful number, since it uses less digits than its factorization.

1150280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1150280 is about 1072.5110722039. The cubic root of 1150280 is about 104.7774576148. Note that the first 3 decimals are identical.

Adding to 1150280 its reverse (820511), we get a palindrome (1970791).

The spelling of 1150280 in words is "one million, one hundred fifty thousand, two hundred eighty".