1132121401 has 6 divisors (see below), whose sum is σ = 1172507102. Its totient is φ = 1093081920.

The previous prime is 1132121399. The next prime is 1132121447. The reversal of 1132121401 is 1041212311.

It can be written as a sum of positive squares in 3 ways, for example, as 247118400 + 885003001 = 15720^2 + 29749^2 .

It is not a de Polignac number, because 1132121401 - 2¹ = 1132121399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132121461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 672240 + ... + 673921.

Almost surely, 2^1132121401 is an apocalyptic number.

It is an amenable number.

1132121401 is a deficient number, since it is larger than the sum of its proper divisors (40385701).

1132121401 is an equidigital number, since it uses as much as digits as its factorization.

1132121401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346219 (or 1346190 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1132121401 is about 33647.0117692493. The cubic root of 1132121401 is about 1042.2318321407.

Adding to 1132121401 its reverse (1041212311), we get a palindrome (2173333712).

The spelling of 1132121401 in words is "one billion, one hundred thirty-two million, one hundred twenty-one thousand, four hundred one".