1129125435 has 16 divisors (see below), whose sum is σ = 1808724480. Its totient is φ = 601492320.

The previous prime is 1129125419. The next prime is 1129125451. The reversal of 1129125435 is 5345219211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1129125419) and next prime (1129125451).

It is not a de Polignac number, because 1129125435 - 2⁴ = 1129125419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1129125396 and 1129125405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30931 + ... + 56700.

It is an arithmetic number, because the mean of its divisors is an integer number (113045280).

Almost surely, 2^1129125435 is an apocalyptic number.

1129125435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1129125435 is a deficient number, since it is larger than the sum of its proper divisors (679599045).

1129125435 is an equidigital number, since it uses as much as digits as its factorization.

1129125435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88498.

The product of its digits is 10800, while the sum is 33.

The square root of 1129125435 is about 33602.4617401761. The cubic root of 1129125435 is about 1041.3116570997.

The spelling of 1129125435 in words is "one billion, one hundred twenty-nine million, one hundred twenty-five thousand, four hundred thirty-five".