1402142 has 8 divisors (see below), whose sum is σ = 2403696. Its totient is φ = 600912.

The previous prime is 1402129. The next prime is 1402147. The reversal of 1402142 is 2412041.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 100153 = 1402142 / (1 + 4 + 0 + 2 + 1 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402147) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 50063 + ... + 50090.

It is an arithmetic number, because the mean of its divisors is an integer number (300462).

2^1402142 is an apocalyptic number.

1402142 is a deficient number, since it is larger than the sum of its proper divisors (1001554).

1402142 is a wasteful number, since it uses less digits than its factorization.

1402142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100162.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1402142 is about 1184.1207708676. The cubic root of 1402142 is about 111.9259182718.

Adding to 1402142 its reverse (2412041), we get a palindrome (3814183).

The spelling of 1402142 in words is "one million, four hundred two thousand, one hundred forty-two".