1152402001 has 8 divisors (see below), whose sum is σ = 1232771400. Its totient is φ = 1073430528.

The previous prime is 1152401989. The next prime is 1152402023. The reversal of 1152402001 is 1002042511.

It can be written as a sum of positive squares in 4 ways, for example, as 120450625 + 1031951376 = 10975^2 + 32124^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1152402001 - 2¹¹ = 1152399953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152402701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347776 + ... + 351073.

It is an arithmetic number, because the mean of its divisors is an integer number (154096425).

Almost surely, 2^1152402001 is an apocalyptic number.

It is an amenable number.

1152402001 is a deficient number, since it is larger than the sum of its proper divisors (80369399).

1152402001 is an equidigital number, since it uses as much as digits as its factorization.

1152402001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698963.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1152402001 is about 33947.0470144312. The cubic root of 1152402001 is about 1048.4184810791.

Adding to 1152402001 its reverse (1002042511), we get a palindrome (2154444512).

The spelling of 1152402001 in words is "one billion, one hundred fifty-two million, four hundred two thousand, one".