1210878 has 12 divisors (see below), whose sum is σ = 2623608. Its totient is φ = 403620.

The previous prime is 1210877. The next prime is 1210879. The reversal of 1210878 is 8780121.

It is an interprime number because it is at equal distance from previous prime (1210877) and next prime (1210879).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210871) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33618 + ... + 33653.

It is an arithmetic number, because the mean of its divisors is an integer number (218634).

2^1210878 is an apocalyptic number.

1210878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1210878 is an abundant number, since it is smaller than the sum of its proper divisors (1412730).

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

1210878 is a wasteful number, since it uses less digits than its factorization.

1210878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67279 (or 67276 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 1210878 is about 1100.3990185383. The cubic root of 1210878 is about 106.5859915157.

Adding to 1210878 its reverse (8780121), we get a palindrome (9990999).

The spelling of 1210878 in words is "one million, two hundred ten thousand, eight hundred seventy-eight".