1147253146 has 16 divisors (see below), whose sum is σ = 1913038848. Its totient is φ = 512420400.

The previous prime is 1147253123. The next prime is 1147253147. The reversal of 1147253146 is 6413527411.

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, 710890 + ... + 712501.

It is an arithmetic number, because the mean of its divisors is an integer number (119564928).

Almost surely, 2^1147253146 is an apocalyptic number.

1147253146 is a deficient number, since it is larger than the sum of its proper divisors (765785702).

1147253146 is a wasteful number, since it uses less digits than its factorization.

1147253146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423437.

The product of its digits is 20160, while the sum is 34.

The square root of 1147253146 is about 33871.1255496477. The cubic root of 1147253146 is about 1046.8547286500.

The spelling of 1147253146 in words is "one billion, one hundred forty-seven million, two hundred fifty-three thousand, one hundred forty-six".