1105047147 has 16 divisors (see below), whose sum is σ = 1519918592. Its totient is φ = 713797920.

The previous prime is 1105047137. The next prime is 1105047149. The reversal of 1105047147 is 7417405011.

It is not a de Polignac number, because 1105047147 - 2¹⁰ = 1105046123 is a prime.

It is a super-2 number, since 2×1105047147² = 2442258394185679218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105047149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32803 + ... + 57324.

It is an arithmetic number, because the mean of its divisors is an integer number (94994912).

Almost surely, 2^1105047147 is an apocalyptic number.

1105047147 is a deficient number, since it is larger than the sum of its proper divisors (414871445).

1105047147 is an equidigital number, since it uses as much as digits as its factorization.

1105047147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90258.

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 1105047147 is about 33242.2494274981. The cubic root of 1105047147 is about 1033.8565158374.

The spelling of 1105047147 in words is "one billion, one hundred five million, forty-seven thousand, one hundred forty-seven".