1149749727 has 16 divisors (see below), whose sum is σ = 1753496832. Its totient is φ = 656438400.

The previous prime is 1149749719. The next prime is 1149749753. The reversal of 1149749727 is 7279479411.

It is not a de Polignac number, because 1149749727 - 2³ = 1149749719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1149749727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149749707) 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 15 ways as a sum of consecutive naturals, for example, 2428 + ... + 48014.

It is an arithmetic number, because the mean of its divisors is an integer number (109593552).

Almost surely, 2^1149749727 is an apocalyptic number.

1149749727 is a deficient number, since it is larger than the sum of its proper divisors (603747105).

1149749727 is a wasteful number, since it uses less digits than its factorization.

1149749727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46798.

The product of its digits is 889056, while the sum is 51.

The square root of 1149749727 is about 33907.9596407687. The cubic root of 1149749727 is about 1047.6135452206.

The spelling of 1149749727 in words is "one billion, one hundred forty-nine million, seven hundred forty-nine thousand, seven hundred twenty-seven".