1161407432 has 16 divisors (see below), whose sum is σ = 2179812300. Its totient is φ = 580124160.

The previous prime is 1161407431. The next prime is 1161407441. The reversal of 1161407432 is 2347041611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1042902436 + 118504996 = 32294^2 + 10886^2 .

It is a super-3 number, since 3×1161407432³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1161407395 and 1161407404.

It is not an unprimeable number, because it can be changed into a prime (1161407431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63869 + ... + 80012.

Almost surely, 2^1161407432 is an apocalyptic number.

It is an amenable number.

1161407432 is a deficient number, since it is larger than the sum of its proper divisors (1018404868).

1161407432 is a wasteful number, since it uses less digits than its factorization.

1161407432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144896 (or 144892 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1161407432 is about 34079.4282815895. The cubic root of 1161407432 is about 1051.1423491701.

The spelling of 1161407432 in words is "one billion, one hundred sixty-one million, four hundred seven thousand, four hundred thirty-two".