1212461 has 4 divisors (see below), whose sum is σ = 1254300. Its totient is φ = 1170624.

The previous prime is 1212443. The next prime is 1212473. The reversal of 1212461 is 1642121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1642121 = 13 ⋅126317.

It can be written as a sum of positive squares in 2 ways, for example, as 498436 + 714025 = 706^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212461 - 2⁶ = 1212397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20876 + ... + 20933.

It is an arithmetic number, because the mean of its divisors is an integer number (313575).

2^1212461 is an apocalyptic number.

It is an amenable number.

1212461 is a deficient number, since it is larger than the sum of its proper divisors (41839).

1212461 is an equidigital number, since it uses as much as digits as its factorization.

1212461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41838.

The product of its digits is 96, while the sum is 17.

The square root of 1212461 is about 1101.1180681471. The cubic root of 1212461 is about 106.6324184754.

Adding to 1212461 its reverse (1642121), we get a palindrome (2854582).

The spelling of 1212461 in words is "one million, two hundred twelve thousand, four hundred sixty-one".