1129198602 has 64 divisors (see below), whose sum is σ = 2666131200. Its totient is φ = 312159744.

The previous prime is 1129198601. The next prime is 1129198627. The reversal of 1129198602 is 2068919211.

It is not an unprimeable number, because it can be changed into a prime (1129198601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159024 + ... + 165972.

It is an arithmetic number, because the mean of its divisors is an integer number (41658300).

Almost surely, 2^1129198602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1129198602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333065600).

1129198602 is an abundant number, since it is smaller than the sum of its proper divisors (1536932598).

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

1129198602 is a wasteful number, since it uses less digits than its factorization.

1129198602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7087.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 1129198602 is about 33603.5504374166. The cubic root of 1129198602 is about 1041.3341488448.

The spelling of 1129198602 in words is "one billion, one hundred twenty-nine million, one hundred ninety-eight thousand, six hundred two".