1042402 has 4 divisors (see below), whose sum is σ = 1563606. Its totient is φ = 521200.

The previous prime is 1042399. The next prime is 1042427. The reversal of 1042402 is 2042401.

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., 1002001 + 40401 = 1001^2 + 201^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260599 + ... + 260602.

2^1042402 is an apocalyptic number.

1042402 is a deficient number, since it is larger than the sum of its proper divisors (521204).

1042402 is an equidigital number, since it uses as much as digits as its factorization.

1042402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521203.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1042402 is about 1020.9809008987. The cubic root of 1042402 is about 101.3938806936.

Adding to 1042402 its reverse (2042401), we get a palindrome (3084803).

Subtracting 1042402 from its reverse (2042401), we obtain a palindrome (999999).

It can be divided in two parts, 1042 and 402, that added together give a square (1444 = 38²).

The spelling of 1042402 in words is "one million, forty-two thousand, four hundred two".