1132621405 has 16 divisors (see below), whose sum is σ = 1372492800. Its totient is φ = 897243840.

The previous prime is 1132621397. The next prime is 1132621409. The reversal of 1132621405 is 5041262311.

It is a happy number.

It is not a de Polignac number, because 1132621405 - 2³ = 1132621397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1132621405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132621409) 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, 216106 + ... + 221284.

It is an arithmetic number, because the mean of its divisors is an integer number (85780800).

Almost surely, 2^1132621405 is an apocalyptic number.

It is an amenable number.

1132621405 is a deficient number, since it is larger than the sum of its proper divisors (239871395).

1132621405 is a wasteful number, since it uses less digits than its factorization.

1132621405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5604.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1132621405 is about 33654.4410888073. The cubic root of 1132621405 is about 1042.3852442469.

Adding to 1132621405 its reverse (5041262311), we get a palindrome (6173883716).

The spelling of 1132621405 in words is "one billion, one hundred thirty-two million, six hundred twenty-one thousand, four hundred five".