1148028001 has 4 divisors (see below), whose sum is σ = 1153469104. Its totient is φ = 1142586900.

The previous prime is 1148027983. The next prime is 1148028023. The reversal of 1148028001 is 1008208411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1008208411 = 7 ⋅144029773.

It is a cyclic number.

It is not a de Polignac number, because 1148028001 - 2¹⁷ = 1147896929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148028041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2720235 + ... + 2720656.

It is an arithmetic number, because the mean of its divisors is an integer number (288367276).

Almost surely, 2^1148028001 is an apocalyptic number.

It is an amenable number.

1148028001 is a deficient number, since it is larger than the sum of its proper divisors (5441103).

1148028001 is an equidigital number, since it uses as much as digits as its factorization.

1148028001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441102.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 1148028001 is about 33882.5619013675. The cubic root of 1148028001 is about 1047.0903575731.

The spelling of 1148028001 in words is "one billion, one hundred forty-eight million, twenty-eight thousand, one".