1132420305 has 16 divisors (see below), whose sum is σ = 1815574464. Its totient is φ = 602723520.

The previous prime is 1132420301. The next prime is 1132420307. The reversal of 1132420305 is 5030242311.

It is not a de Polignac number, because 1132420305 - 2² = 1132420301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1132420301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69514 + ... + 84243.

It is an arithmetic number, because the mean of its divisors is an integer number (113473404).

Almost surely, 2^1132420305 is an apocalyptic number.

1132420305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1132420305 is a deficient number, since it is larger than the sum of its proper divisors (683154159).

1132420305 is a wasteful number, since it uses less digits than its factorization.

1132420305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154256.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1132420305 is about 33651.4532375646. The cubic root of 1132420305 is about 1042.3235478202.

Adding to 1132420305 its reverse (5030242311), we get a palindrome (6162662616).

The spelling of 1132420305 in words is "one billion, one hundred thirty-two million, four hundred twenty thousand, three hundred five".