1147499090 has 8 divisors (see below), whose sum is σ = 2065498380. Its totient is φ = 458999632.

The previous prime is 1147499051. The next prime is 1147499113. The reversal of 1147499090 is 909947411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1136296681 + 11202409 = 33709^2 + 3347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 57374945 + ... + 57374964.

Almost surely, 2^1147499090 is an apocalyptic number.

1147499090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1147499090 is a deficient number, since it is larger than the sum of its proper divisors (917999290).

1147499090 is a wasteful number, since it uses less digits than its factorization.

1147499090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114749916.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 1147499090 is about 33874.7559400802. The cubic root of 1147499090 is about 1046.9295302879.

The spelling of 1147499090 in words is "one billion, one hundred forty-seven million, four hundred ninety-nine thousand, ninety".