1129292955 has 96 divisors (see below), whose sum is σ = 2411182080. Its totient is φ = 499504320.

The previous prime is 1129292951. The next prime is 1129292963. The reversal of 1129292955 is 5592929211.

1129292955 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1129292955 - 2² = 1129292951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1129292955.

It is not an unprimeable number, because it can be changed into a prime (1129292951) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 202312 + ... + 207818.

It is an arithmetic number, because the mean of its divisors is an integer number (25116480).

Almost surely, 2^1129292955 is an apocalyptic number.

1129292955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1129292955 is an abundant number, since it is smaller than the sum of its proper divisors (1281889125).

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

1129292955 is a wasteful number, since it uses less digits than its factorization.

1129292955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566 (or 5553 counting only the distinct ones).

The product of its digits is 145800, while the sum is 45.

The square root of 1129292955 is about 33604.9543222424. The cubic root of 1129292955 is about 1041.3631517926.

The spelling of 1129292955 in words is "one billion, one hundred twenty-nine million, two hundred ninety-two thousand, nine hundred fifty-five".