1042120122 has 8 divisors (see below), whose sum is σ = 2084240256. Its totient is φ = 347373372.

The previous prime is 1042120073. The next prime is 1042120129. The reversal of 1042120122 is 2210212401.

It is a sphenic number, since it is the product of 3 distinct primes.

1042120122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1042120129) 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, 86843338 + ... + 86843349.

It is an arithmetic number, because the mean of its divisors is an integer number (260530032).

Almost surely, 2^1042120122 is an apocalyptic number.

1042120122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1042120122 is a wasteful number, since it uses less digits than its factorization.

1042120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173686692.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1042120122 is about 32281.8853538637. The cubic root of 1042120122 is about 1013.8474049597.

Adding to 1042120122 its reverse (2210212401), we get a palindrome (3252332523).

The spelling of 1042120122 in words is "one billion, forty-two million, one hundred twenty thousand, one hundred twenty-two".