1246142 has 4 divisors (see below), whose sum is σ = 1869216. Its totient is φ = 623070.

The previous prime is 1246103. The next prime is 1246181. The reversal of 1246142 is 2416421.

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

It is an interprime number because it is at equal distance from previous prime (1246103) and next prime (1246181).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311534 + ... + 311537.

It is an arithmetic number, because the mean of its divisors is an integer number (467304).

2^1246142 is an apocalyptic number.

1246142 is a deficient number, since it is larger than the sum of its proper divisors (623074).

1246142 is an equidigital number, since it uses as much as digits as its factorization.

1246142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623073.

The product of its digits is 384, while the sum is 20.

The square root of 1246142 is about 1116.3073053600. The cubic root of 1246142 is about 107.6107961694.

The spelling of 1246142 in words is "one million, two hundred forty-six thousand, one hundred forty-two".