1142000801 has 2 divisors, whose sum is σ = 1142000802. Its totient is φ = 1142000800.

The previous prime is 1142000779. The next prime is 1142000809. The reversal of 1142000801 is 1080002411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 795296401 + 346704400 = 28201^2 + 18620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142000801 - 2⁶ = 1142000737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1142000801.

It is not a weakly prime, because it can be changed into another prime (1142000809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571000400 + 571000401.

It is an arithmetic number, because the mean of its divisors is an integer number (571000401).

Almost surely, 2^1142000801 is an apocalyptic number.

It is an amenable number.

1142000801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142000801 is an equidigital number, since it uses as much as digits as its factorization.

1142000801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1142000801 is about 33793.5023488244. The cubic root of 1142000801 is about 1045.2547171790.

The spelling of 1142000801 in words is "one billion, one hundred forty-two million, eight hundred one", and thus it is an aban number.