1148971142 has 16 divisors (see below), whose sum is σ = 1881753552. Its totient is φ = 521809920.

The previous prime is 1148971121. The next prime is 1148971183. The reversal of 1148971142 is 2411798411.

It is a junction number, because it is equal to n+sod(n) for n = 1148971096 and 1148971105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4358 + ... + 48134.

It is an arithmetic number, because the mean of its divisors is an integer number (117609597).

Almost surely, 2^1148971142 is an apocalyptic number.

1148971142 is a deficient number, since it is larger than the sum of its proper divisors (732782410).

1148971142 is a wasteful number, since it uses less digits than its factorization.

1148971142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44983.

The product of its digits is 16128, while the sum is 38.

The square root of 1148971142 is about 33896.4768375712. The cubic root of 1148971142 is about 1047.3770182742.

The spelling of 1148971142 in words is "one billion, one hundred forty-eight million, nine hundred seventy-one thousand, one hundred forty-two".