1230516 has 72 divisors (see below), whose sum is σ = 3756480. Its totient is φ = 331776.

The previous prime is 1230491. The next prime is 1230521. The reversal of 1230516 is 6150321.

1230516 = T₆₄ + T₆₅ + ... + T₁₉₆.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4660 + ... + 4916.

2^1230516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1878240).

1230516 is an abundant number, since it is smaller than the sum of its proper divisors (2525964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230516 is a wasteful number, since it uses less digits than its factorization.

1230516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1230516 is about 1109.2862570139. The cubic root of 1230516 is about 107.1591076304.

Adding to 1230516 its reverse (6150321), we get a palindrome (7380837).

It can be divided in two parts, 12305 and 16, that added together give a palindrome (12321).

The spelling of 1230516 in words is "one million, two hundred thirty thousand, five hundred sixteen".