1101423745 has 8 divisors (see below), whose sum is σ = 1333834920. Its totient is φ = 873054720.

The previous prime is 1101423731. The next prime is 1101423773. The reversal of 1101423745 is 5473241011.

It can be written as a sum of positive squares in 4 ways, for example, as 31348801 + 1070074944 = 5599^2 + 32712^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1101423745 - 2²³ = 1093035137 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009936 + ... + 1011025.

It is an arithmetic number, because the mean of its divisors is an integer number (166729365).

Almost surely, 2^1101423745 is an apocalyptic number.

It is an amenable number.

1101423745 is a deficient number, since it is larger than the sum of its proper divisors (232411175).

1101423745 is a wasteful number, since it uses less digits than its factorization.

1101423745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021075.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1101423745 is about 33187.7047262989. The cubic root of 1101423745 is about 1032.7252881905.

Adding to 1101423745 its reverse (5473241011), we get a palindrome (6574664756).

The spelling of 1101423745 in words is "one billion, one hundred one million, four hundred twenty-three thousand, seven hundred forty-five".