1087870 has 16 divisors (see below), whose sum is σ = 2238048. Its totient is φ = 372960.

The previous prime is 1087861. The next prime is 1087873. The reversal of 1087870 is 787801.

It is a super-2 number, since 2×1087870² = 2366922273800, which contains 22 as substring.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7701 + ... + 7840.

It is an arithmetic number, because the mean of its divisors is an integer number (139878).

2^1087870 is an apocalyptic number.

1087870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1087870 is an abundant number, since it is smaller than the sum of its proper divisors (1150178).

1087870 is a wasteful number, since it uses less digits than its factorization.

1087870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15555.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 1087870 is about 1043.0100670655. The cubic root of 1087870 is about 102.8471670587.

The spelling of 1087870 in words is "one million, eighty-seven thousand, eight hundred seventy".