1077540 has 24 divisors (see below), whose sum is σ = 3017280. Its totient is φ = 287328.

The previous prime is 1077539. The next prime is 1077541. The reversal of 1077540 is 457701.

It is an interprime number because it is at equal distance from previous prime (1077539) and next prime (1077541).

It is a super-2 number, since 2×1077540² = 2322184903200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1077540.

It is not an unprimeable number, because it can be changed into a prime (1077541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8920 + ... + 9039.

It is an arithmetic number, because the mean of its divisors is an integer number (125720).

2^1077540 is an apocalyptic number.

1077540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1077540 is an abundant number, since it is smaller than the sum of its proper divisors (1939740).

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

1077540 is a wasteful number, since it uses less digits than its factorization.

1077540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17971 (or 17969 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 1077540 is about 1038.0462417446. The cubic root of 1077540 is about 102.5205986759.

The spelling of 1077540 in words is "one million, seventy-seven thousand, five hundred forty".