1101662120 has 32 divisors (see below), whose sum is σ = 2669413320. Its totient is φ = 406767360.

The previous prime is 1101662059. The next prime is 1101662129. The reversal of 1101662120 is 212661011.

It can be written as a sum of positive squares in 4 ways, for example, as 473758756 + 627903364 = 21766^2 + 25058^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1101662092 and 1101662101.

It is not an unprimeable number, because it can be changed into a prime (1101662129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058771 + ... + 1059810.

Almost surely, 2^1101662120 is an apocalyptic number.

1101662120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101662120 is an abundant number, since it is smaller than the sum of its proper divisors (1567751200).

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

1101662120 is a wasteful number, since it uses less digits than its factorization.

1101662120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118605 (or 2118601 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1101662120 is about 33191.2958469536. The cubic root of 1101662120 is about 1032.7997851418.

The spelling of 1101662120 in words is "one billion, one hundred one million, six hundred sixty-two thousand, one hundred twenty".