1233478 has 8 divisors (see below), whose sum is σ = 1860480. Its totient is φ = 613320.

The previous prime is 1233473. The next prime is 1233493. The reversal of 1233478 is 8743321.

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

It is a d-powerful number, because it can be written as 1 + 2¹³ + 3 + 3¹⁰ + 4¹⁰ + 7⁶ + 8 .

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233473) 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, 1233 + ... + 1996.

It is an arithmetic number, because the mean of its divisors is an integer number (232560).

2^1233478 is an apocalyptic number.

1233478 is a deficient number, since it is larger than the sum of its proper divisors (627002).

1233478 is a wasteful number, since it uses less digits than its factorization.

1233478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422.

The product of its digits is 4032, while the sum is 28.

The square root of 1233478 is about 1110.6205472618. The cubic root of 1233478 is about 107.2450203530.

Adding to 1233478 its reverse (8743321), we get a palindrome (9976799).

It can be divided in two parts, 1233 and 478, that added together give a triangular number (1711 = T₅₈).

The spelling of 1233478 in words is "one million, two hundred thirty-three thousand, four hundred seventy-eight".