1000231142 has 16 divisors (see below), whose sum is σ = 1592585712. Its totient is φ = 469516800.

The previous prime is 1000231103. The next prime is 1000231147. The reversal of 1000231142 is 2411320001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000231147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23048 + ... + 50315.

It is an arithmetic number, because the mean of its divisors is an integer number (99536607).

Almost surely, 2^1000231142 is an apocalyptic number.

1000231142 is a deficient number, since it is larger than the sum of its proper divisors (592354570).

1000231142 is a wasteful number, since it uses less digits than its factorization.

1000231142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73783.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1000231142 is about 31626.4310664356. The cubic root of 1000231142 is about 1000.0770413978.

Adding to 1000231142 its reverse (2411320001), we get a palindrome (3411551143).

The spelling of 1000231142 in words is "one billion, two hundred thirty-one thousand, one hundred forty-two".