1302142 has 4 divisors (see below), whose sum is σ = 1953216. Its totient is φ = 651070.

The previous prime is 1302137. The next prime is 1302151. The reversal of 1302142 is 2412031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2412031 = 19 ⋅126949.

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, 325534 + ... + 325537.

It is an arithmetic number, because the mean of its divisors is an integer number (488304).

2^1302142 is an apocalyptic number.

1302142 is a deficient number, since it is larger than the sum of its proper divisors (651074).

1302142 is an equidigital number, since it uses as much as digits as its factorization.

1302142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651073.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1302142 is about 1141.1143676249. The cubic root of 1302142 is about 109.1991980691.

Adding to 1302142 its reverse (2412031), we get a palindrome (3714173).

It can be divided in two parts, 1302 and 142, that added together give a square (1444 = 38²).

The spelling of 1302142 in words is "one million, three hundred two thousand, one hundred forty-two".