1148786401 has 4 divisors (see below), whose sum is σ = 1312898752. Its totient is φ = 984674052.

The previous prime is 1148786399. The next prime is 1148786413. The reversal of 1148786401 is 1046878411.

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.

It is a cyclic number.

It is not a de Polignac number, because 1148786401 - 2¹ = 1148786399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148786491) 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, 82056165 + ... + 82056178.

It is an arithmetic number, because the mean of its divisors is an integer number (328224688).

Almost surely, 2^1148786401 is an apocalyptic number.

It is an amenable number.

1148786401 is a deficient number, since it is larger than the sum of its proper divisors (164112351).

1148786401 is an equidigital number, since it uses as much as digits as its factorization.

1148786401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164112350.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 1148786401 is about 33893.7516513000. The cubic root of 1148786401 is about 1047.3208799773.

The spelling of 1148786401 in words is "one billion, one hundred forty-eight million, seven hundred eighty-six thousand, four hundred one".