1201134229 has 4 divisors (see below), whose sum is σ = 1264351840. Its totient is φ = 1137916620.

The previous prime is 1201134223. The next prime is 1201134241. The reversal of 1201134229 is 9224311021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1201134229 - 2⁷ = 1201134101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201134223) 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, 31608777 + ... + 31608814.

It is an arithmetic number, because the mean of its divisors is an integer number (316087960).

Almost surely, 2^1201134229 is an apocalyptic number.

1201134229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1201134229 is a deficient number, since it is larger than the sum of its proper divisors (63217611).

1201134229 is an equidigital number, since it uses as much as digits as its factorization.

1201134229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63217610.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1201134229 is about 34657.3834701929. The cubic root of 1201134229 is about 1062.9932687993.

The spelling of 1201134229 in words is "one billion, two hundred one million, one hundred thirty-four thousand, two hundred twenty-nine".