1210142 has 4 divisors (see below), whose sum is σ = 1815216. Its totient is φ = 605070.

The previous prime is 1210127. The next prime is 1210151. The reversal of 1210142 is 2410121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302534 + ... + 302537.

It is an arithmetic number, because the mean of its divisors is an integer number (453804).

2^1210142 is an apocalyptic number.

1210142 is a deficient number, since it is larger than the sum of its proper divisors (605074).

1210142 is an equidigital number, since it uses as much as digits as its factorization.

1210142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605073.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1210142 is about 1100.0645435610. The cubic root of 1210142 is about 106.5643919852.

Adding to 1210142 its reverse (2410121), we get a palindrome (3620263).

The spelling of 1210142 in words is "one million, two hundred ten thousand, one hundred forty-two".