1199491434 has 24 divisors (see below), whose sum is σ = 2641505412. Its totient is φ = 393275520.

The previous prime is 1199491429. The next prime is 1199491441. The reversal of 1199491434 is 4341949911.

1199491434 is a `hidden beast` number, since 119 + 9 + 491 + 43 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 820994409 + 378497025 = 28653^2 + 19455^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1199491434.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 545119 + ... + 547314.

Almost surely, 2^1199491434 is an apocalyptic number.

1199491434 is an abundant number, since it is smaller than the sum of its proper divisors (1442013978).

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

1199491434 is a wasteful number, since it uses less digits than its factorization.

1199491434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092502 (or 1092499 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 1199491434 is about 34633.6748555506. The cubic root of 1199491434 is about 1062.5084279654.

The spelling of 1199491434 in words is "one billion, one hundred ninety-nine million, four hundred ninety-one thousand, four hundred thirty-four".