1121401105 has 8 divisors (see below), whose sum is σ = 1468016064. Its totient is φ = 815564400.

The previous prime is 1121401093. The next prime is 1121401117. The reversal of 1121401105 is 5011041211.

It is an interprime number because it is at equal distance from previous prime (1121401093) and next prime (1121401117).

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

It is not a de Polignac number, because 1121401105 - 2⁹ = 1121400593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10194501 + ... + 10194610.

It is an arithmetic number, because the mean of its divisors is an integer number (183502008).

Almost surely, 2^1121401105 is an apocalyptic number.

It is an amenable number.

1121401105 is a deficient number, since it is larger than the sum of its proper divisors (346614959).

1121401105 is a wasteful number, since it uses less digits than its factorization.

1121401105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20389127.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 1121401105 is about 33487.3275284846. The cubic root of 1121401105 is about 1038.9316892879.

Adding to 1121401105 its reverse (5011041211), we get a palindrome (6132442316).

The spelling of 1121401105 in words is "one billion, one hundred twenty-one million, four hundred one thousand, one hundred five".