1087970 has 16 divisors (see below), whose sum is σ = 2109240. Its totient is φ = 401664.

The previous prime is 1087967. The next prime is 1087973. The reversal of 1087970 is 797801.

It is an interprime number because it is at equal distance from previous prime (1087967) and next prime (1087973).

It can be written as a sum of positive squares in 4 ways, for example, as 797449 + 290521 = 893^2 + 539^2 .

It is not an unprimeable number, because it can be changed into a prime (1087973) 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, 4055 + ... + 4314.

2^1087970 is an apocalyptic number.

1087970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1087970 is a deficient number, since it is larger than the sum of its proper divisors (1021270).

1087970 is a wasteful number, since it uses less digits than its factorization.

1087970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8389.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 1087970 is about 1043.0580041398. The cubic root of 1087970 is about 102.8503182935.

The spelling of 1087970 in words is "one million, eighty-seven thousand, nine hundred seventy".