1148659427 has 4 divisors (see below), whose sum is σ = 1149683400. Its totient is φ = 1147635456.

The previous prime is 1148659411. The next prime is 1148659433. The reversal of 1148659427 is 7249568411.

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 1148659427 - 2⁴ = 1148659411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148659727) 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, 510302 + ... + 512547.

It is an arithmetic number, because the mean of its divisors is an integer number (287420850).

Almost surely, 2^1148659427 is an apocalyptic number.

1148659427 is a deficient number, since it is larger than the sum of its proper divisors (1023973).

1148659427 is a wasteful number, since it uses less digits than its factorization.

1148659427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023972.

The product of its digits is 483840, while the sum is 47.

The square root of 1148659427 is about 33891.8784814297. The cubic root of 1148659427 is about 1047.2822921769.

The spelling of 1148659427 in words is "one billion, one hundred forty-eight million, six hundred fifty-nine thousand, four hundred twenty-seven".