1136432121 has 12 divisors (see below), whose sum is σ = 1665515376. Its totient is φ = 688746520.

The previous prime is 1136432119. The next prime is 1136432149. The reversal of 1136432121 is 1212346311.

It is a happy number.

It is not a de Polignac number, because 1136432121 - 2¹ = 1136432119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1136432091 and 1136432100.

It is not an unprimeable number, because it can be changed into a prime (1136432221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1564971 + ... + 1565696.

It is an arithmetic number, because the mean of its divisors is an integer number (138792948).

Almost surely, 2^1136432121 is an apocalyptic number.

1136432121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1136432121 is a deficient number, since it is larger than the sum of its proper divisors (529083255).

1136432121 is a wasteful number, since it uses less digits than its factorization.

1136432121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130692 (or 3130681 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 1136432121 is about 33711.0088991712. The cubic root of 1136432121 is about 1043.5529741242.

Adding to 1136432121 its reverse (1212346311), we get a palindrome (2348778432).

The spelling of 1136432121 in words is "one billion, one hundred thirty-six million, four hundred thirty-two thousand, one hundred twenty-one".