1447149129 has 16 divisors (see below), whose sum is σ = 1972634880. Its totient is φ = 943257600.

The previous prime is 1447149103. The next prime is 1447149139. The reversal of 1447149129 is 9219417441.

It is not a de Polignac number, because 1447149129 - 2²⁰ = 1446100553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1447149139) 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, 145929 + ... + 155529.

It is an arithmetic number, because the mean of its divisors is an integer number (123289680).

Almost surely, 2^1447149129 is an apocalyptic number.

It is an amenable number.

1447149129 is a deficient number, since it is larger than the sum of its proper divisors (525485751).

1447149129 is a wasteful number, since it uses less digits than its factorization.

1447149129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10720.

The product of its digits is 72576, while the sum is 42.

The square root of 1447149129 is about 38041.4133412522. The cubic root of 1447149129 is about 1131.1089249756.

The spelling of 1447149129 in words is "one billion, four hundred forty-seven million, one hundred forty-nine thousand, one hundred twenty-nine".