1189851034 has 16 divisors (see below), whose sum is σ = 1847137320. Its totient is φ = 574156800.

The previous prime is 1189851031. The next prime is 1189851073. The reversal of 1189851034 is 4301589811.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 954995409 + 234855625 = 30903^2 + 15325^2 .

It is a super-2 number, since 2×1189851034² = 2831490966221738312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1189851031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245434 + ... + 250234.

Almost surely, 2^1189851034 is an apocalyptic number.

1189851034 is a deficient number, since it is larger than the sum of its proper divisors (657286286).

1189851034 is a wasteful number, since it uses less digits than its factorization.

1189851034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9105.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 1189851034 is about 34494.2173994425. The cubic root of 1189851034 is about 1059.6542820591.

The spelling of 1189851034 in words is "one billion, one hundred eighty-nine million, eight hundred fifty-one thousand, thirty-four".