1148487740 has 36 divisors (see below), whose sum is σ = 2458309224. Its totient is φ = 450705216.

The previous prime is 1148487713. The next prime is 1148487779. The reversal of 1148487740 is 477848411.

It is a junction number, because it is equal to n+sod(n) for n = 1148487691 and 1148487700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45959 + ... + 66401.

Almost surely, 2^1148487740 is an apocalyptic number.

1148487740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1148487740 is an abundant number, since it is smaller than the sum of its proper divisors (1309821484).

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

1148487740 is a wasteful number, since it uses less digits than its factorization.

1148487740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20558 (or 20503 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 44.

The square root of 1148487740 is about 33889.3455233352. The cubic root of 1148487740 is about 1047.2301114319.

The spelling of 1148487740 in words is "one billion, one hundred forty-eight million, four hundred eighty-seven thousand, seven hundred forty".