1000142051 has 16 divisors (see below), whose sum is σ = 1057245696. Its totient is φ = 944239296.

The previous prime is 1000142041. The next prime is 1000142063. The reversal of 1000142051 is 1502410001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000142051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000142041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1048991 + ... + 1049943.

It is an arithmetic number, because the mean of its divisors is an integer number (66077856).

Almost surely, 2^1000142051 is an apocalyptic number.

1000142051 is a deficient number, since it is larger than the sum of its proper divisors (57103645).

1000142051 is a wasteful number, since it uses less digits than its factorization.

1000142051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1000142051 is about 31625.0225454465. The cubic root of 1000142051 is about 1000.0473480915.

Adding to 1000142051 its reverse (1502410001), we get a palindrome (2502552052).

The spelling of 1000142051 in words is "one billion, one hundred forty-two thousand, fifty-one".