1132401421 has 2 divisors, whose sum is σ = 1132401422. Its totient is φ = 1132401420.

The previous prime is 1132401419. The next prime is 1132401443. The reversal of 1132401421 is 1241042311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1083331396 + 49070025 = 32914^2 + 7005^2 .

It is a cyclic number.

It is not a de Polignac number, because 1132401421 - 2¹ = 1132401419 is a prime.

Together with 1132401419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1132401461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566200710 + 566200711.

It is an arithmetic number, because the mean of its divisors is an integer number (566200711).

Almost surely, 2^1132401421 is an apocalyptic number.

It is an amenable number.

1132401421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132401421 is an equidigital number, since it uses as much as digits as its factorization.

1132401421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1132401421 is about 33651.1726541587. The cubic root of 1132401421 is about 1042.3177539328.

Adding to 1132401421 its reverse (1241042311), we get a palindrome (2373443732).

The spelling of 1132401421 in words is "one billion, one hundred thirty-two million, four hundred one thousand, four hundred twenty-one".