1147253347 has 8 divisors (see below), whose sum is σ = 1217370816. Its totient is φ = 1077428352.

The previous prime is 1147253333. The next prime is 1147253351. The reversal of 1147253347 is 7433527411.

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 1147253347 - 2²³ = 1138864739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1147253147) 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, 65008 + ... + 80749.

It is an arithmetic number, because the mean of its divisors is an integer number (152171352).

Almost surely, 2^1147253347 is an apocalyptic number.

1147253347 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1147253347 is a deficient number, since it is larger than the sum of its proper divisors (70117469).

1147253347 is a wasteful number, since it uses less digits than its factorization.

1147253347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146237.

The product of its digits is 70560, while the sum is 37.

The square root of 1147253347 is about 33871.1285167766. The cubic root of 1147253347 is about 1046.8547897867.

The spelling of 1147253347 in words is "one billion, one hundred forty-seven million, two hundred fifty-three thousand, three hundred forty-seven".