1081543962 has 16 divisors (see below), whose sum is σ = 2168799840. Its totient is φ = 359562672.

The previous prime is 1081543943. The next prime is 1081544021. The reversal of 1081543962 is 2693451801.

It is a self number, because there is not a number n which added to its sum of digits gives 1081543962.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235533 + ... + 240080.

It is an arithmetic number, because the mean of its divisors is an integer number (135549990).

Almost surely, 2^1081543962 is an apocalyptic number.

1081543962 is an abundant number, since it is smaller than the sum of its proper divisors (1087255878).

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

1081543962 is a wasteful number, since it uses less digits than its factorization.

1081543962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475997.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1081543962 is about 32886.8356945450. The cubic root of 1081543962 is about 1026.4742496305.

The spelling of 1081543962 in words is "one billion, eighty-one million, five hundred forty-three thousand, nine hundred sixty-two".