1200235264 has 72 divisors (see below), whose sum is σ = 2476837440. Its totient is φ = 580113408.

The previous prime is 1200235247. The next prime is 1200235303. The reversal of 1200235264 is 4625320021.

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, 1177347 + ... + 1178365.

It is an arithmetic number, because the mean of its divisors is an integer number (34400520).

Almost surely, 2^1200235264 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 1200235264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1238418720).

1200235264 is an abundant number, since it is smaller than the sum of its proper divisors (1276602176).

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

1200235264 is a wasteful number, since it uses less digits than its factorization.

1200235264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1200235264 is about 34644.4117283004. The cubic root of 1200235264 is about 1062.7280105630.

Adding to 1200235264 its reverse (4625320021), we get a palindrome (5825555285).

The spelling of 1200235264 in words is "one billion, two hundred million, two hundred thirty-five thousand, two hundred sixty-four".