1129906547 has 32 divisors (see below), whose sum is σ = 1495065600. Its totient is φ = 826721280.

The previous prime is 1129906543. The next prime is 1129906553. The reversal of 1129906547 is 7456099211.

It is not a de Polignac number, because 1129906547 - 2² = 1129906543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1129906498 and 1129906507.

It is not an unprimeable number, because it can be changed into a prime (1129906543) 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 31 ways as a sum of consecutive naturals, for example, 806954 + ... + 808352.

It is an arithmetic number, because the mean of its divisors is an integer number (46720800).

Almost surely, 2^1129906547 is an apocalyptic number.

1129906547 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1129906547 is a deficient number, since it is larger than the sum of its proper divisors (365159053).

1129906547 is a wasteful number, since it uses less digits than its factorization.

1129906547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 1129906547 is about 33614.0825696612. The cubic root of 1129906547 is about 1041.5517229997.

The spelling of 1129906547 in words is "one billion, one hundred twenty-nine million, nine hundred six thousand, five hundred forty-seven".