1942115123 has 16 divisors (see below), whose sum is σ = 2166218880. Its totient is φ = 1728832896.

The previous prime is 1942115117. The next prime is 1942115137. The reversal of 1942115123 is 3215112491.

It is a cyclic number.

It is not a de Polignac number, because 1942115123 - 2²² = 1937920819 is a prime.

It is a super-2 number, since 2×1942115123² = 7543622301970610258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1942135123) 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, 373286 + ... + 378452.

It is an arithmetic number, because the mean of its divisors is an integer number (135388680).

Almost surely, 2^1942115123 is an apocalyptic number.

1942115123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1942115123 is a deficient number, since it is larger than the sum of its proper divisors (224103757).

1942115123 is a wasteful number, since it uses less digits than its factorization.

1942115123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6206.

The product of its digits is 2160, while the sum is 29.

The square root of 1942115123 is about 44069.4352471188. The cubic root of 1942115123 is about 1247.6467989759.

The spelling of 1942115123 in words is "one billion, nine hundred forty-two million, one hundred fifteen thousand, one hundred twenty-three".