1143936001 has 16 divisors (see below), whose sum is σ = 1349384400. Its totient is φ = 959551488.

The previous prime is 1143935971. The next prime is 1143936023. The reversal of 1143936001 is 1006393411.

It can be written as a sum of positive squares in 8 ways, for example, as 103550976 + 1040385025 = 10176^2 + 32255^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143936001 - 2¹⁷ = 1143804929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143936601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82836 + ... + 95653.

It is an arithmetic number, because the mean of its divisors is an integer number (84336525).

Almost surely, 2^1143936001 is an apocalyptic number.

It is an amenable number.

1143936001 is a deficient number, since it is larger than the sum of its proper divisors (205448399).

1143936001 is a wasteful number, since it uses less digits than its factorization.

1143936001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178548.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1143936001 is about 33822.1229522926. The cubic root of 1143936001 is about 1045.8448029951.

The spelling of 1143936001 in words is "one billion, one hundred forty-three million, nine hundred thirty-six thousand, one".