1121400041 has 2 divisors, whose sum is σ = 1121400042. Its totient is φ = 1121400040.

The previous prime is 1121400031. The next prime is 1121400047. The reversal of 1121400041 is 1400041211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 914155225 + 207244816 = 30235^2 + 14396^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121400041 - 2⁶ = 1121399977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121399989 and 1121400025.

It is not a weakly prime, because it can be changed into another prime (1121400047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560700020 + 560700021.

It is an arithmetic number, because the mean of its divisors is an integer number (560700021).

Almost surely, 2^1121400041 is an apocalyptic number.

It is an amenable number.

1121400041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121400041 is an equidigital number, since it uses as much as digits as its factorization.

1121400041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1121400041 is about 33487.3116418742. The cubic root of 1121400041 is about 1038.9313607038.

Adding to 1121400041 its reverse (1400041211), we get a palindrome (2521441252).

The spelling of 1121400041 in words is "one billion, one hundred twenty-one million, four hundred thousand, forty-one".