1070840 has 32 divisors (see below), whose sum is σ = 2538000. Its totient is φ = 405504.

The previous prime is 1070827. The next prime is 1070843. The reversal of 1070840 is 480701.

It is a happy number.

It is a super-2 number, since 2×1070840² = 2293396611200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1070843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56 + ... + 1464.

2^1070840 is an apocalyptic number.

1070840 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 1070840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1269000).

1070840 is an abundant number, since it is smaller than the sum of its proper divisors (1467160).

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

1070840 is a wasteful number, since it uses less digits than its factorization.

1070840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1070840 is about 1034.8139929475. The cubic root of 1070840 is about 102.3076702746.

The spelling of 1070840 in words is "one million, seventy thousand, eight hundred forty".