1071340 has 48 divisors (see below), whose sum is σ = 2503872. Its totient is φ = 382976.

The previous prime is 1071337. The next prime is 1071341. The reversal of 1071340 is 431701.

It is a super-2 number, since 2×1071340² = 2295538791200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7752 + ... + 7888.

It is an arithmetic number, because the mean of its divisors is an integer number (52164).

2^1071340 is an apocalyptic number.

1071340 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 1071340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1251936).

1071340 is an abundant number, since it is smaller than the sum of its proper divisors (1432532).

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

1071340 is a wasteful number, since it uses less digits than its factorization.

1071340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1071340 is about 1035.0555540646. The cubic root of 1071340 is about 102.3235910706.

It can be divided in two parts, 107 and 1340, that multiplied together give a triangular number (143380 = T₅₃₅).

The spelling of 1071340 in words is "one million, seventy-one thousand, three hundred forty".