1148413961 has 4 divisors (see below), whose sum is σ = 1148727300. Its totient is φ = 1148100624.

The previous prime is 1148413927. The next prime is 1148413967. The reversal of 1148413961 is 1693148411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 484836361 + 663577600 = 22019^2 + 25760^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148413961 - 2²⁶ = 1081305097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148413967) 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, 151106 + ... + 158523.

It is an arithmetic number, because the mean of its divisors is an integer number (287181825).

Almost surely, 2^1148413961 is an apocalyptic number.

It is an amenable number.

1148413961 is a deficient number, since it is larger than the sum of its proper divisors (313339).

1148413961 is an equidigital number, since it uses as much as digits as its factorization.

1148413961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313338.

The product of its digits is 20736, while the sum is 38.

The square root of 1148413961 is about 33888.2569778972. The cubic root of 1148413961 is about 1047.2076862194.

The spelling of 1148413961 in words is "one billion, one hundred forty-eight million, four hundred thirteen thousand, nine hundred sixty-one".