1100401145 has 8 divisors (see below), whose sum is σ = 1329982080. Its totient is φ = 873987120.

The previous prime is 1100401139. The next prime is 1100401151. The reversal of 1100401145 is 5411040011.

It is an interprime number because it is at equal distance from previous prime (1100401139) and next prime (1100401151).

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

It is not a de Polignac number, because 1100401145 - 2¹⁰ = 1100400121 is a prime.

It is a super-2 number, since 2×1100401145² = 2421765359834622050, which contains 22 as substring.

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, 790961 + ... + 792350.

It is an arithmetic number, because the mean of its divisors is an integer number (166247760).

Almost surely, 2^1100401145 is an apocalyptic number.

It is an amenable number.

1100401145 is a deficient number, since it is larger than the sum of its proper divisors (229580935).

1100401145 is a wasteful number, since it uses less digits than its factorization.

1100401145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583455.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1100401145 is about 33172.2948407251. The cubic root of 1100401145 is about 1032.4055832383.

Adding to 1100401145 its reverse (5411040011), we get a palindrome (6511441156).

The spelling of 1100401145 in words is "one billion, one hundred million, four hundred one thousand, one hundred forty-five".