1161250434 has 12 divisors (see below), whose sum is σ = 2516042646. Its totient is φ = 387083472.

The previous prime is 1161250411. The next prime is 1161250459. The reversal of 1161250434 is 4340521611.

It is a happy number.

1161250434 is a `hidden beast` number, since 1 + 1 + 612 + 5 + 0 + 43 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 922640625 + 238609809 = 30375^2 + 15447^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1161250398 and 1161250407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32256939 + ... + 32256974.

Almost surely, 2^1161250434 is an apocalyptic number.

1161250434 is an abundant number, since it is smaller than the sum of its proper divisors (1354792212).

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

1161250434 is a wasteful number, since it uses less digits than its factorization.

1161250434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64513921 (or 64513918 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1161250434 is about 34077.1247906862. The cubic root of 1161250434 is about 1051.0949828803.

The spelling of 1161250434 in words is "one billion, one hundred sixty-one million, two hundred fifty thousand, four hundred thirty-four".