1129112407 has 8 divisors (see below), whose sum is σ = 1157113440. Its totient is φ = 1101133440.

The previous prime is 1129112377. The next prime is 1129112417. The reversal of 1129112407 is 7042119211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1129112407 - 2⁷ = 1129112279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129112417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154819 + ... + 161947.

It is an arithmetic number, because the mean of its divisors is an integer number (144639180).

Almost surely, 2^1129112407 is an apocalyptic number.

1129112407 is a deficient number, since it is larger than the sum of its proper divisors (28001033).

1129112407 is an equidigital number, since it uses as much as digits as its factorization.

1129112407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11033.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 1129112407 is about 33602.2678847723. The cubic root of 1129112407 is about 1041.3076521533.

The spelling of 1129112407 in words is "one billion, one hundred twenty-nine million, one hundred twelve thousand, four hundred seven".