1236052016 has 40 divisors (see below), whose sum is σ = 2522409984. Its totient is φ = 585611840.

The previous prime is 1236052009. The next prime is 1236052021. The reversal of 1236052016 is 6102506321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23681 + ... + 55071.

Almost surely, 2^1236052016 is an apocalyptic number.

1236052016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1236052016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1261204992).

1236052016 is an abundant number, since it is smaller than the sum of its proper divisors (1286357968).

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

1236052016 is a wasteful number, since it uses less digits than its factorization.

1236052016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31529 (or 31523 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1236052016 is about 35157.5314264241. The cubic root of 1236052016 is about 1073.1956798723.

Adding to 1236052016 its reverse (6102506321), we get a palindrome (7338558337).

The spelling of 1236052016 in words is "one billion, two hundred thirty-six million, fifty-two thousand, sixteen".