1143552201 has 8 divisors (see below), whose sum is σ = 1663348704. Its totient is φ = 693061920.

The previous prime is 1143552169. The next prime is 1143552233. The reversal of 1143552201 is 1022553411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1143552169) and next prime (1143552233).

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

It is not a de Polignac number, because 1143552201 - 2⁵ = 1143552169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143552271) 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, 17326516 + ... + 17326581.

It is an arithmetic number, because the mean of its divisors is an integer number (207918588).

Almost surely, 2^1143552201 is an apocalyptic number.

1143552201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1143552201 is a deficient number, since it is larger than the sum of its proper divisors (519796503).

1143552201 is a wasteful number, since it uses less digits than its factorization.

1143552201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34653111.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1143552201 is about 33816.4486751640. The cubic root of 1143552201 is about 1045.7278267150.

It can be divided in two parts, 11435 and 52201, that added together give a palindrome (63636).

The spelling of 1143552201 in words is "one billion, one hundred forty-three million, five hundred fifty-two thousand, two hundred one".