1042123042 has 16 divisors (see below), whose sum is σ = 1572263352. Its totient is φ = 518042880.

The previous prime is 1042123013. The next prime is 1042123051. The reversal of 1042123042 is 2403212401.

It can be written as a sum of positive squares in 4 ways, for example, as 883337841 + 158785201 = 29721^2 + 12601^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371188 + ... + 373984.

Almost surely, 2^1042123042 is an apocalyptic number.

1042123042 is a deficient number, since it is larger than the sum of its proper divisors (530140310).

1042123042 is a wasteful number, since it uses less digits than its factorization.

1042123042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1042123042 is about 32281.9305804346. The cubic root of 1042123042 is about 1013.8483518856.

Adding to 1042123042 its reverse (2403212401), we get a palindrome (3445335443).

The spelling of 1042123042 in words is "one billion, forty-two million, one hundred twenty-three thousand, forty-two".