1147389730 has 16 divisors (see below), whose sum is σ = 2155097664. Its totient is φ = 439001200.

The previous prime is 1147389713. The next prime is 1147389731. The reversal of 1147389730 is 379837411.

It is not an unprimeable number, because it can be changed into a prime (1147389731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2494096 + ... + 2494555.

It is an arithmetic number, because the mean of its divisors is an integer number (134693604).

Almost surely, 2^1147389730 is an apocalyptic number.

1147389730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1147389730 is a deficient number, since it is larger than the sum of its proper divisors (1007707934).

1147389730 is a wasteful number, since it uses less digits than its factorization.

1147389730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988681.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 1147389730 is about 33873.1417202479. The cubic root of 1147389730 is about 1046.8962707552.

The spelling of 1147389730 in words is "one billion, one hundred forty-seven million, three hundred eighty-nine thousand, seven hundred thirty".