1201281288 has 16 divisors (see below), whose sum is σ = 3003203280. Its totient is φ = 400427088.

The previous prime is 1201281287. The next prime is 1201281293. The reversal of 1201281288 is 8821821021.

It is not an unprimeable number, because it can be changed into a prime (1201281287) 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, 25026670 + ... + 25026717.

It is an arithmetic number, because the mean of its divisors is an integer number (187700205).

Almost surely, 2^1201281288 is an apocalyptic number.

It is an amenable number.

1201281288 is an abundant number, since it is smaller than the sum of its proper divisors (1801921992).

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

1201281288 is a wasteful number, since it uses less digits than its factorization.

1201281288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50053396 (or 50053392 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 33.

The square root of 1201281288 is about 34659.5050166617. The cubic root of 1201281288 is about 1063.0366490044.

The spelling of 1201281288 in words is "one billion, two hundred one million, two hundred eighty-one thousand, two hundred eighty-eight".