1110401399 has 2 divisors, whose sum is σ = 1110401400. Its totient is φ = 1110401398.

The previous prime is 1110401377. The next prime is 1110401407. The reversal of 1110401399 is 9931040111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1110401399 - 2¹² = 1110397303 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110401309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555200699 + 555200700.

It is an arithmetic number, because the mean of its divisors is an integer number (555200700).

Almost surely, 2^1110401399 is an apocalyptic number.

1110401399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110401399 is an equidigital number, since it uses as much as digits as its factorization.

1110401399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 1110401399 is about 33322.6859511655. The cubic root of 1110401399 is about 1035.5235976279.

The spelling of 1110401399 in words is "one billion, one hundred ten million, four hundred one thousand, three hundred ninety-nine".