1127240 has 16 divisors (see below), whose sum is σ = 2536380. Its totient is φ = 450880.

The previous prime is 1127239. The next prime is 1127249. The reversal of 1127240 is 427211.

It can be written as a sum of positive squares in 2 ways, for example, as 1094116 + 33124 = 1046^2 + 182^2 .

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1127249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14051 + ... + 14130.

2^1127240 is an apocalyptic number.

1127240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1127240 is an abundant number, since it is smaller than the sum of its proper divisors (1409140).

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

1127240 is a wasteful number, since it uses less digits than its factorization.

1127240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28192 (or 28188 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1127240 is about 1061.7155928025. The cubic root of 1127240 is about 104.0731733560.

It can be divided in two parts, 1127 and 240, that multiplied together give a triangular number (270480 = T₇₃₅).

The spelling of 1127240 in words is "one million, one hundred twenty-seven thousand, two hundred forty".