1129241377 has 4 divisors (see below), whose sum is σ = 1231899696. Its totient is φ = 1026583060.

The previous prime is 1129241363. The next prime is 1129241381. The reversal of 1129241377 is 7731429211.

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.

It is a cyclic number.

It is not a de Polignac number, because 1129241377 - 2¹¹ = 1129239329 is a prime.

It is a super-2 number, since 2×1129241377² = 2550372175057712258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1129241387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51329143 + ... + 51329164.

It is an arithmetic number, because the mean of its divisors is an integer number (307974924).

Almost surely, 2^1129241377 is an apocalyptic number.

It is an amenable number.

1129241377 is a deficient number, since it is larger than the sum of its proper divisors (102658319).

1129241377 is a wasteful number, since it uses less digits than its factorization.

1129241377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102658318.

The product of its digits is 21168, while the sum is 37.

The square root of 1129241377 is about 33604.1868968734. The cubic root of 1129241377 is about 1041.3472975521.

The spelling of 1129241377 in words is "one billion, one hundred twenty-nine million, two hundred forty-one thousand, three hundred seventy-seven".