1142402 has 4 divisors (see below), whose sum is σ = 1713606. Its totient is φ = 571200.

The previous prime is 1142389. The next prime is 1142423. The reversal of 1142402 is 2042411.

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

It can be written as a sum of positive squares in only one way, i.e., 829921 + 312481 = 911^2 + 559^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285599 + ... + 285602.

2^1142402 is an apocalyptic number.

1142402 is a deficient number, since it is larger than the sum of its proper divisors (571204).

1142402 is an equidigital number, since it uses as much as digits as its factorization.

1142402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571203.

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

The square root of 1142402 is about 1068.8320728721. The cubic root of 1142402 is about 104.5377106483.

Adding to 1142402 its reverse (2042411), we get a palindrome (3184813).

Subtracting 1142402 from its reverse (2042411), we obtain a palindrome (900009).

The spelling of 1142402 in words is "one million, one hundred forty-two thousand, four hundred two".