1021120092 has 36 divisors (see below), whose sum is σ = 2585528400. Its totient is φ = 339797952.

The previous prime is 1021120081. The next prime is 1021120099. The reversal of 1021120092 is 2900211201.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021120099) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2113 + ... + 45240.

Almost surely, 2^1021120092 is an apocalyptic number.

1021120092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021120092 is an abundant number, since it is smaller than the sum of its proper divisors (1564408308).

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

1021120092 is a wasteful number, since it uses less digits than its factorization.

1021120092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47962 (or 47957 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1021120092 is about 31954.9697543277. The cubic root of 1021120092 is about 1006.9910421020.

Adding to 1021120092 its reverse (2900211201), we get a palindrome (3921331293).

It can be divided in two parts, 10211 and 20092, that added together give a palindrome (30303).

The spelling of 1021120092 in words is "one billion, twenty-one million, one hundred twenty thousand, ninety-two".