1042123145 has 8 divisors (see below), whose sum is σ = 1429197504. Its totient is φ = 714598704.

The previous prime is 1042123133. The next prime is 1042123157. The reversal of 1042123145 is 5413212401.

1042123145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1042123133) and next prime (1042123157).

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

It is a cyclic number.

It is not a de Polignac number, because 1042123145 - 2⁴ = 1042123129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1042123145.

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, 14887439 + ... + 14887508.

It is an arithmetic number, because the mean of its divisors is an integer number (178649688).

Almost surely, 2^1042123145 is an apocalyptic number.

It is an amenable number.

1042123145 is a deficient number, since it is larger than the sum of its proper divisors (387074359).

1042123145 is an equidigital number, since it uses as much as digits as its factorization.

1042123145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29774959.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1042123145 is about 32281.9321757543. The cubic root of 1042123145 is about 1013.8483852874.

Adding to 1042123145 its reverse (5413212401), we get a palindrome (6455335546).

The spelling of 1042123145 in words is "one billion, forty-two million, one hundred twenty-three thousand, one hundred forty-five".