1078298749 has 8 divisors (see below), whose sum is σ = 1176600960. Its totient is φ = 980042400.

The previous prime is 1078298743. The next prime is 1078298779. The reversal of 1078298749 is 9478928701.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1078298749 - 2⁵ = 1078298717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1078298749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078298743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53964 + ... + 71194.

It is an arithmetic number, because the mean of its divisors is an integer number (147075120).

Almost surely, 2^1078298749 is an apocalyptic number.

It is an amenable number.

1078298749 is a deficient number, since it is larger than the sum of its proper divisors (98302211).

1078298749 is a wasteful number, since it uses less digits than its factorization.

1078298749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22931.

The product of its (nonzero) digits is 2032128, while the sum is 55.

The square root of 1078298749 is about 32837.4595393736. The cubic root of 1078298749 is about 1025.4465629821.

The spelling of 1078298749 in words is "one billion, seventy-eight million, two hundred ninety-eight thousand, seven hundred forty-nine".