1078231770 has 384 divisors, whose sum is σ = 3782246400. Its totient is φ = 215913600.

The previous prime is 1078231723. The next prime is 1078231771. The reversal of 1078231770 is 771328701.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078231771) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4511311 + ... + 4511549.

It is an arithmetic number, because the mean of its divisors is an integer number (9849600).

Almost surely, 2^1078231770 is an apocalyptic number.

1078231770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1078231770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1891123200).

1078231770 is an abundant number, since it is smaller than the sum of its proper divisors (2704014630).

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

1078231770 is a wasteful number, since it uses less digits than its factorization.

1078231770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The square root of 1078231770 is about 32836.4396669310. The cubic root of 1078231770 is about 1025.4253305213.

The spelling of 1078231770 in words is "one billion, seventy-eight million, two hundred thirty-one thousand, seven hundred seventy".