1148423660 has 12 divisors (see below), whose sum is σ = 2411689728. Its totient is φ = 459369456.

The previous prime is 1148423659. The next prime is 1148423671. The reversal of 1148423660 is 663248411.

It is a self number, because there is not a number n which added to its sum of digits gives 1148423660.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28710572 + ... + 28710611.

It is an arithmetic number, because the mean of its divisors is an integer number (200974144).

Almost surely, 2^1148423660 is an apocalyptic number.

1148423660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1148423660 is an abundant number, since it is smaller than the sum of its proper divisors (1263266068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1148423660 is a wasteful number, since it uses less digits than its factorization.

1148423660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57421192 (or 57421190 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 1148423660 is about 33888.4000802635. The cubic root of 1148423660 is about 1047.2106342965.

The spelling of 1148423660 in words is "one billion, one hundred forty-eight million, four hundred twenty-three thousand, six hundred sixty".