1131402201 has 16 divisors (see below), whose sum is σ = 1562332800. Its totient is φ = 727429248.

The previous prime is 1131402199. The next prime is 1131402211. The reversal of 1131402201 is 1022041311.

It is not a de Polignac number, because 1131402201 - 2¹ = 1131402199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131402211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74580 + ... + 88458.

It is an arithmetic number, because the mean of its divisors is an integer number (97645800).

Almost surely, 2^1131402201 is an apocalyptic number.

It is an amenable number.

1131402201 is a deficient number, since it is larger than the sum of its proper divisors (430930599).

1131402201 is a wasteful number, since it uses less digits than its factorization.

1131402201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14848.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1131402201 is about 33636.3226438325. The cubic root of 1131402201 is about 1042.0110866989.

Adding to 1131402201 its reverse (1022041311), we get a palindrome (2153443512).

The spelling of 1131402201 in words is "one billion, one hundred thirty-one million, four hundred two thousand, two hundred one".