1147070949 has 4 divisors (see below), whose sum is σ = 1529427936. Its totient is φ = 764713964.

The previous prime is 1147070921. The next prime is 1147070963. The reversal of 1147070949 is 9490707411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9490707411 = 3 ⋅3163569137.

It is a cyclic number.

It is not a de Polignac number, because 1147070949 - 2¹⁶ = 1147005413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1147070949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147070909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191178489 + ... + 191178494.

It is an arithmetic number, because the mean of its divisors is an integer number (382356984).

Almost surely, 2^1147070949 is an apocalyptic number.

It is an amenable number.

1147070949 is a deficient number, since it is larger than the sum of its proper divisors (382356987).

1147070949 is an equidigital number, since it uses as much as digits as its factorization.

1147070949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382356986.

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 1147070949 is about 33868.4358806249. The cubic root of 1147070949 is about 1046.7993081907.

The spelling of 1147070949 in words is "one billion, one hundred forty-seven million, seventy thousand, nine hundred forty-nine".