1076432405 has 4 divisors (see below), whose sum is σ = 1291718892. Its totient is φ = 861145920.

The previous prime is 1076432393. The next prime is 1076432429. The reversal of 1076432405 is 5042346701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 824321521 + 252110884 = 28711^2 + 15878^2 .

It is not a de Polignac number, because 1076432405 - 2¹⁶ = 1076366869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107643236 + ... + 107643245.

It is an arithmetic number, because the mean of its divisors is an integer number (322929723).

Almost surely, 2^1076432405 is an apocalyptic number.

It is an amenable number.

1076432405 is a deficient number, since it is larger than the sum of its proper divisors (215286487).

1076432405 is an equidigital number, since it uses as much as digits as its factorization.

1076432405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215286486.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 1076432405 is about 32809.0293212097. The cubic root of 1076432405 is about 1024.8545992444.

The spelling of 1076432405 in words is "one billion, seventy-six million, four hundred thirty-two thousand, four hundred five".