1129146036 has 12 divisors (see below), whose sum is σ = 2634674112. Its totient is φ = 376382008.

The previous prime is 1129146023. The next prime is 1129146037. The reversal of 1129146036 is 6306419211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1129146036² = 2549941541229026592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1129145988 and 1129146006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129146037) 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, 47047740 + ... + 47047763.

It is an arithmetic number, because the mean of its divisors is an integer number (219556176).

Almost surely, 2^1129146036 is an apocalyptic number.

It is an amenable number.

1129146036 is an abundant number, since it is smaller than the sum of its proper divisors (1505528076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1129146036 is a wasteful number, since it uses less digits than its factorization.

1129146036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94095510 (or 94095508 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1129146036 is about 33602.7682788189. The cubic root of 1129146036 is about 1041.3179900043.

The spelling of 1129146036 in words is "one billion, one hundred twenty-nine million, one hundred forty-six thousand, thirty-six".