1148947467 has 4 divisors (see below), whose sum is σ = 1531929960. Its totient is φ = 765964976.

The previous prime is 1148947439. The next prime is 1148947507. The reversal of 1148947467 is 7647498411.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1148947467 - 2⁶ = 1148947403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1148947867) 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, 191491242 + ... + 191491247.

It is an arithmetic number, because the mean of its divisors is an integer number (382982490).

Almost surely, 2^1148947467 is an apocalyptic number.

1148947467 is a deficient number, since it is larger than the sum of its proper divisors (382982493).

1148947467 is an equidigital number, since it uses as much as digits as its factorization.

1148947467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382982492.

The product of its digits is 1354752, while the sum is 51.

The square root of 1148947467 is about 33896.1276106873. The cubic root of 1148947467 is about 1047.3698243537.

The spelling of 1148947467 in words is "one billion, one hundred forty-eight million, nine hundred forty-seven thousand, four hundred sixty-seven".