1077240 has 64 divisors (see below), whose sum is σ = 3317760. Its totient is φ = 279680.

The previous prime is 1077233. The next prime is 1077289. The reversal of 1077240 is 427701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5545 + ... + 5735.

It is an arithmetic number, because the mean of its divisors is an integer number (51840).

2^1077240 is an apocalyptic number.

1077240 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 1077240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1658880).

1077240 is an abundant number, since it is smaller than the sum of its proper divisors (2240520).

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

1077240 is a wasteful number, since it uses less digits than its factorization.

1077240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 1077240 is about 1037.9017294523. The cubic root of 1077240 is about 102.5110834733.

The spelling of 1077240 in words is "one million, seventy-seven thousand, two hundred forty".