1022000123 has 4 divisors (see below), whose sum is σ = 1024847280. Its totient is φ = 1019152968.

The previous prime is 1022000117. The next prime is 1022000131. The reversal of 1022000123 is 3210002201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1022000123 - 2²⁸ = 753564667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022000173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1423040 + ... + 1423757.

It is an arithmetic number, because the mean of its divisors is an integer number (256211820).

Almost surely, 2^1022000123 is an apocalyptic number.

1022000123 is a deficient number, since it is larger than the sum of its proper divisors (2847157).

1022000123 is an equidigital number, since it uses as much as digits as its factorization.

1022000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847156.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1022000123 is about 31968.7366500461. The cubic root of 1022000123 is about 1007.2802437617.

Adding to 1022000123 its reverse (3210002201), we get a palindrome (4232002324).

The spelling of 1022000123 in words is "one billion, twenty-two million, one hundred twenty-three", and thus it is an aban number.