1128101041 has 4 divisors (see below), whose sum is σ = 1187474800. Its totient is φ = 1068727284.

The previous prime is 1128100993. The next prime is 1128101053. The reversal of 1128101041 is 1401018211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1401018211 = 401 ⋅3493811.

It is a cyclic number.

It is not a de Polignac number, because 1128101041 - 2⁷ = 1128100913 is a prime.

It is a super-2 number, since 2×1128101041² = 2545223917410567362, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 59373739 = 1128101041 / (1 + 1 + 2 + 8 + 1 + 0 + 1 + 0 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1128101081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29686851 + ... + 29686888.

It is an arithmetic number, because the mean of its divisors is an integer number (296868700).

Almost surely, 2^1128101041 is an apocalyptic number.

It is an amenable number.

1128101041 is a deficient number, since it is larger than the sum of its proper divisors (59373759).

1128101041 is an equidigital number, since it uses as much as digits as its factorization.

1128101041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59373758.

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 1128101041 is about 33587.2154398069. The cubic root of 1128101041 is about 1040.9966533709.

Adding to 1128101041 its reverse (1401018211), we get a palindrome (2529119252).

The spelling of 1128101041 in words is "one billion, one hundred twenty-eight million, one hundred one thousand, forty-one".