1078999144 has 16 divisors (see below), whose sum is σ = 2088385920. Its totient is φ = 522096240.

The previous prime is 1078999123. The next prime is 1078999147. The reversal of 1078999144 is 4419998701.

It is a super-3 number, since 3×1078999144³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1078999091 and 1078999100.

It is not an unprimeable number, because it can be changed into a prime (1078999147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2175154 + ... + 2175649.

It is an arithmetic number, because the mean of its divisors is an integer number (130524120).

Almost surely, 2^1078999144 is an apocalyptic number.

It is an amenable number.

1078999144 is a deficient number, since it is larger than the sum of its proper divisors (1009386776).

1078999144 is a wasteful number, since it uses less digits than its factorization.

1078999144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350840 (or 4350836 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 52.

The square root of 1078999144 is about 32848.1223816522. The cubic root of 1078999144 is about 1025.6685367777.

The spelling of 1078999144 in words is "one billion, seventy-eight million, nine hundred ninety-nine thousand, one hundred forty-four".