1101603407 has 2 divisors, whose sum is σ = 1101603408. Its totient is φ = 1101603406.

The previous prime is 1101603403. The next prime is 1101603443. The reversal of 1101603407 is 7043061011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101603407 - 2² = 1101603403 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101603403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550801703 + 550801704.

It is an arithmetic number, because the mean of its divisors is an integer number (550801704).

Almost surely, 2^1101603407 is an apocalyptic number.

1101603407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101603407 is an equidigital number, since it uses as much as digits as its factorization.

1101603407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1101603407 is about 33190.4113713584. The cubic root of 1101603407 is about 1032.7814371535.

Adding to 1101603407 its reverse (7043061011), we get a palindrome (8144664418).

The spelling of 1101603407 in words is "one billion, one hundred one million, six hundred three thousand, four hundred seven".