1120001022 has 48 divisors (see below), whose sum is σ = 2777928192. Its totient is φ = 319470480.

The previous prime is 1120000991. The next prime is 1120001033. The reversal of 1120001022 is 2201000211.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1120000995 and 1120001013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72463 + ... + 86549.

It is an arithmetic number, because the mean of its divisors is an integer number (57873504).

Almost surely, 2^1120001022 is an apocalyptic number.

1120001022 is an abundant number, since it is smaller than the sum of its proper divisors (1657927170).

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

1120001022 is a wasteful number, since it uses less digits than its factorization.

1120001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14733 (or 14730 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1120001022 is about 33466.4163304050. The cubic root of 1120001022 is about 1038.4991362468.

Adding to 1120001022 its reverse (2201000211), we get a palindrome (3321001233).

The spelling of 1120001022 in words is "one billion, one hundred twenty million, one thousand, twenty-two".