1105137020 has 48 divisors (see below), whose sum is σ = 2646338688. Its totient is φ = 384046080.

The previous prime is 1105136987. The next prime is 1105137041. The reversal of 1105137020 is 207315011.

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 = 1105136983 and 1105137001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120596 + ... + 129435.

It is an arithmetic number, because the mean of its divisors is an integer number (55132056).

Almost surely, 2^1105137020 is an apocalyptic number.

1105137020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105137020 is an abundant number, since it is smaller than the sum of its proper divisors (1541201668).

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

1105137020 is a wasteful number, since it uses less digits than its factorization.

1105137020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250070 (or 250068 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 1105137020 is about 33243.6011888002. The cubic root of 1105137020 is about 1033.8845427766.

The spelling of 1105137020 in words is "one billion, one hundred five million, one hundred thirty-seven thousand, twenty".