1030978811 has 8 divisors (see below), whose sum is σ = 1074776448. Its totient is φ = 987840000.

The previous prime is 1030978801. The next prime is 1030978847. The reversal of 1030978811 is 1188790301.

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 1030978811 - 2¹⁸ = 1030716667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1030978801) 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, 161510 + ... + 167771.

It is an arithmetic number, because the mean of its divisors is an integer number (134347056).

Almost surely, 2^1030978811 is an apocalyptic number.

1030978811 is a deficient number, since it is larger than the sum of its proper divisors (43797637).

1030978811 is a wasteful number, since it uses less digits than its factorization.

1030978811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329413.

The product of its (nonzero) digits is 12096, while the sum is 38.

The square root of 1030978811 is about 32108.8587620301. The cubic root of 1030978811 is about 1010.2214365963.

The spelling of 1030978811 in words is "one billion, thirty million, nine hundred seventy-eight thousand, eight hundred eleven".