1129198574 has 16 divisors (see below), whose sum is σ = 1941324000. Its totient is φ = 482553504.

The previous prime is 1129198573. The next prime is 1129198601. The reversal of 1129198574 is 4758919211.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129198573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110669 + ... + 120440.

It is an arithmetic number, because the mean of its divisors is an integer number (121332750).

Almost surely, 2^1129198574 is an apocalyptic number.

1129198574 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1129198574 is a deficient number, since it is larger than the sum of its proper divisors (812125426).

1129198574 is a wasteful number, since it uses less digits than its factorization.

1129198574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231467.

The product of its digits is 181440, while the sum is 47.

The square root of 1129198574 is about 33603.5500207939. The cubic root of 1129198574 is about 1041.3341402377.

The spelling of 1129198574 in words is "one billion, one hundred twenty-nine million, one hundred ninety-eight thousand, five hundred seventy-four".