1211464 has 8 divisors (see below), whose sum is σ = 2271510. Its totient is φ = 605728.

The previous prime is 1211443. The next prime is 1211477. The reversal of 1211464 is 4641121.

It can be written as a sum of positive squares in only one way, i.e., 1144900 + 66564 = 1070^2 + 258^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×1211464³ = 5333997331506796032, which contains 333 as substring.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75709 + ... + 75724.

2^1211464 is an apocalyptic number.

It is an amenable number.

1211464 is a deficient number, since it is larger than the sum of its proper divisors (1060046).

1211464 is a wasteful number, since it uses less digits than its factorization.

1211464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151439 (or 151435 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 1211464 is about 1100.6652533809. The cubic root of 1211464 is about 106.6031827104.

Adding to 1211464 its reverse (4641121), we get a palindrome (5852585).

It can be divided in two parts, 12 and 11464, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 1211464 in words is "one million, two hundred eleven thousand, four hundred sixty-four".