1042206051 has 4 divisors (see below), whose sum is σ = 1389608072. Its totient is φ = 694804032.

The previous prime is 1042206041. The next prime is 1042206073. The reversal of 1042206051 is 1506022401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1042206051 - 2⁶ = 1042205987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042206041) 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, 173701006 + ... + 173701011.

It is an arithmetic number, because the mean of its divisors is an integer number (347402018).

Almost surely, 2^1042206051 is an apocalyptic number.

1042206051 is a deficient number, since it is larger than the sum of its proper divisors (347402021).

1042206051 is an equidigital number, since it uses as much as digits as its factorization.

1042206051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347402020.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1042206051 is about 32283.2162431193. The cubic root of 1042206051 is about 1013.8752701093.

Adding to 1042206051 its reverse (1506022401), we get a palindrome (2548228452).

The spelling of 1042206051 in words is "one billion, forty-two million, two hundred six thousand, fifty-one".