1122112129 has 8 divisors (see below), whose sum is σ = 1139600000. Its totient is φ = 1104706512.

The previous prime is 1122112099. The next prime is 1122112151. The reversal of 1122112129 is 9212112211.

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 1122112129 - 2⁷ = 1122112001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122112429) 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, 7222 + ... + 47920.

It is an arithmetic number, because the mean of its divisors is an integer number (142450000).

Almost surely, 2^1122112129 is an apocalyptic number.

It is an amenable number.

1122112129 is a deficient number, since it is larger than the sum of its proper divisors (17487871).

1122112129 is an equidigital number, since it uses as much as digits as its factorization.

1122112129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41127.

The product of its digits is 144, while the sum is 22.

The square root of 1122112129 is about 33497.9421606761. The cubic root of 1122112129 is about 1039.1512209945.

The spelling of 1122112129 in words is "one billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twenty-nine".