1147978050 has 96 divisors (see below), whose sum is σ = 3040519680. Its totient is φ = 286003200.

The previous prime is 1147977991. The next prime is 1147978087. The reversal of 1147978050 is 508797411.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1147977993 and 1147978011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130594 + ... + 139106.

It is an arithmetic number, because the mean of its divisors is an integer number (31672080).

Almost surely, 2^1147978050 is an apocalyptic number.

1147978050 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 1147978050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520259840).

1147978050 is an abundant number, since it is smaller than the sum of its proper divisors (1892541630).

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

1147978050 is a wasteful number, since it uses less digits than its factorization.

1147978050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8588 (or 8583 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 1147978050 is about 33881.8247737633. The cubic root of 1147978050 is about 1047.0751709607.

The spelling of 1147978050 in words is "one billion, one hundred forty-seven million, nine hundred seventy-eight thousand, fifty".