1120005100 has 36 divisors (see below), whose sum is σ = 2432672424. Its totient is φ = 447585280.

The previous prime is 1120005011. The next prime is 1120005109. The reversal of 1120005100 is 15000211.

It is a happy number.

It is a super-2 number, since 2×1120005100² = 2508822848052020000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1120005109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117099 + ... + 126301.

It is an arithmetic number, because the mean of its divisors is an integer number (67574234).

Almost surely, 2^1120005100 is an apocalyptic number.

1120005100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120005100 is an abundant number, since it is smaller than the sum of its proper divisors (1312667324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1120005100 is a wasteful number, since it uses less digits than its factorization.

1120005100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10434 (or 10427 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 1120005100 is about 33466.4772571001. The cubic root of 1120005100 is about 1038.5003966607.

Adding to 1120005100 its reverse (15000211), we get a palindrome (1135005311).

The spelling of 1120005100 in words is "one billion, one hundred twenty million, five thousand, one hundred".