1211004 has 24 divisors (see below), whose sum is σ = 3139920. Its totient is φ = 403632.

The previous prime is 1210999. The next prime is 1211027. The reversal of 1211004 is 4001121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5499 + ... + 5714.

It is an arithmetic number, because the mean of its divisors is an integer number (130830).

2^1211004 is an apocalyptic number.

It is an amenable number.

1211004 is an abundant number, since it is smaller than the sum of its proper divisors (1928916).

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

1211004 is a wasteful number, since it uses less digits than its factorization.

1211004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11226 (or 11218 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1211004 is about 1100.4562690085. The cubic root of 1211004 is about 106.5896883839.

Adding to 1211004 its reverse (4001121), we get a palindrome (5212125).

It can be divided in two parts, 121100 and 4, that added together give a square (121104 = 348²).

The spelling of 1211004 in words is "one million, two hundred eleven thousand, four".