1148956920 has 64 divisors (see below), whose sum is σ = 3829860000. Its totient is φ = 306388224.

The previous prime is 1148956909. The next prime is 1148956931. The reversal of 1148956920 is 296598411.

1148956920 is a `hidden beast` number, since 1 + 1 + 4 + 89 + 569 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1148956909) and next prime (1148956931).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530845 + ... + 533004.

Almost surely, 2^1148956920 is an apocalyptic number.

1148956920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1148956920 is an abundant number, since it is smaller than the sum of its proper divisors (2680903080).

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

1148956920 is a wasteful number, since it uses less digits than its factorization.

1148956920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063869 (or 1063859 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 1148956920 is about 33896.2670511076. The cubic root of 1148956920 is about 1047.3726967681.

The spelling of 1148956920 in words is "one billion, one hundred forty-eight million, nine hundred fifty-six thousand, nine hundred twenty".