1213061 has 8 divisors (see below), whose sum is σ = 1267200. Its totient is φ = 1159920.

The previous prime is 1213057. The next prime is 1213063. The reversal of 1213061 is 1603121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1213061 - 2² = 1213057 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213063) 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 7 ways as a sum of consecutive naturals, for example, 3200 + ... + 3558.

It is an arithmetic number, because the mean of its divisors is an integer number (158400).

2^1213061 is an apocalyptic number.

It is an amenable number.

1213061 is a deficient number, since it is larger than the sum of its proper divisors (54139).

1213061 is a wasteful number, since it uses less digits than its factorization.

1213061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1213061 is about 1101.3904847964. The cubic root of 1213061 is about 106.6500049930.

Adding to 1213061 its reverse (1603121), we get a palindrome (2816182).

The spelling of 1213061 in words is "one million, two hundred thirteen thousand, sixty-one".