1129211508 has 12 divisors (see below), whose sum is σ = 2634826880. Its totient is φ = 376403832.

The previous prime is 1129211507. The next prime is 1129211509. The reversal of 1129211508 is 8051129211.

It is an interprime number because it is at equal distance from previous prime (1129211507) and next prime (1129211509).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129211507) 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, 47050468 + ... + 47050491.

Almost surely, 2^1129211508 is an apocalyptic number.

It is an amenable number.

1129211508 is an abundant number, since it is smaller than the sum of its proper divisors (1505615372).

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

1129211508 is a wasteful number, since it uses less digits than its factorization.

1129211508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94100966 (or 94100964 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 30.

The square root of 1129211508 is about 33603.7424701476. The cubic root of 1129211508 is about 1041.3381160853.

The spelling of 1129211508 in words is "one billion, one hundred twenty-nine million, two hundred eleven thousand, five hundred eight".