1211070 has 64 divisors (see below), whose sum is σ = 3409920. Its totient is φ = 269568.

The previous prime is 1211059. The next prime is 1211081. The reversal of 1211070 is 701121.

It is an interprime number because it is at equal distance from previous prime (1211059) and next prime (1211081).

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15291 + ... + 15369.

It is an arithmetic number, because the mean of its divisors is an integer number (53280).

2^1211070 is an apocalyptic number.

1211070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1211070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1704960).

1211070 is an abundant number, since it is smaller than the sum of its proper divisors (2198850).

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

1211070 is a wasteful number, since it uses less digits than its factorization.

1211070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169.

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 1211070 is about 1100.4862561613. The cubic root of 1211070 is about 106.5916247364.

Adding to 1211070 its reverse (701121), we get a palindrome (1912191).

The spelling of 1211070 in words is "one million, two hundred eleven thousand, seventy".