1210140142 has 8 divisors (see below), whose sum is σ = 1857424536. Its totient is φ = 590998632.

The previous prime is 1210140137. The next prime is 1210140157. The reversal of 1210140142 is 2410410121.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7035613 + ... + 7035784.

It is an arithmetic number, because the mean of its divisors is an integer number (232178067).

Almost surely, 2^1210140142 is an apocalyptic number.

1210140142 is a deficient number, since it is larger than the sum of its proper divisors (647284394).

1210140142 is a wasteful number, since it uses less digits than its factorization.

1210140142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14071442.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1210140142 is about 34787.0686031462. The cubic root of 1210140142 is about 1065.6433744701.

Adding to 1210140142 its reverse (2410410121), we get a palindrome (3620550263).

The spelling of 1210140142 in words is "one billion, two hundred ten million, one hundred forty thousand, one hundred forty-two".