1120120123 has 16 divisors (see below), whose sum is σ = 1216936224. Its totient is φ = 1026826240.

The previous prime is 1120120097. The next prime is 1120120147. The reversal of 1120120123 is 3210210211.

It is a cyclic number.

It is not a de Polignac number, because 1120120123 - 2¹³ = 1120111931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120120153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659211 + ... + 660907.

It is an arithmetic number, because the mean of its divisors is an integer number (76058514).

Almost surely, 2^1120120123 is an apocalyptic number.

1120120123 is a deficient number, since it is larger than the sum of its proper divisors (96816101).

1120120123 is a wasteful number, since it uses less digits than its factorization.

1120120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1120120123 is about 33468.1956938225. The cubic root of 1120120123 is about 1038.5359463030.

Adding to 1120120123 its reverse (3210210211), we get a palindrome (4330330334).

The spelling of 1120120123 in words is "one billion, one hundred twenty million, one hundred twenty thousand, one hundred twenty-three".