1078131276 has 24 divisors (see below), whose sum is σ = 2795155440. Its totient is φ = 359377056.

The previous prime is 1078131221. The next prime is 1078131281. The reversal of 1078131276 is 6721318701.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1078131276.

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, 4991241 + ... + 4991456.

It is an arithmetic number, because the mean of its divisors is an integer number (116464810).

Almost surely, 2^1078131276 is an apocalyptic number.

It is an amenable number.

1078131276 is an abundant number, since it is smaller than the sum of its proper divisors (1717024164).

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

1078131276 is a wasteful number, since it uses less digits than its factorization.

1078131276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9982710 (or 9982702 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1078131276 is about 32834.9094105648. The cubic root of 1078131276 is about 1025.3934720973.

Adding to 1078131276 its reverse (6721318701), we get a palindrome (7799449977).

The spelling of 1078131276 in words is "one billion, seventy-eight million, one hundred thirty-one thousand, two hundred seventy-six".