1213126 has 8 divisors (see below), whose sum is σ = 1829520. Its totient is φ = 603288.

The previous prime is 1213109. The next prime is 1213129. The reversal of 1213126 is 6213121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146 + ... + 1933.

It is an arithmetic number, because the mean of its divisors is an integer number (228690).

2^1213126 is an apocalyptic number.

1213126 is a deficient number, since it is larger than the sum of its proper divisors (616394).

1213126 is a wasteful number, since it uses less digits than its factorization.

1213126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278.

The product of its digits is 72, while the sum is 16.

The square root of 1213126 is about 1101.4199925551. The cubic root of 1213126 is about 106.6519098509.

Adding to 1213126 its reverse (6213121), we get a palindrome (7426247).

The spelling of 1213126 in words is "one million, two hundred thirteen thousand, one hundred twenty-six".