1042425251402 has 4 divisors (see below), whose sum is σ = 1563637877106. Its totient is φ = 521212625700.

The previous prime is 1042425251353. The next prime is 1042425251449. The reversal of 1042425251402 is 2041525242401.

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., 1042418538121 + 6713281 = 1020989^2 + 2591^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260606312849 + ... + 260606312852.

Almost surely, 2^{1042425251402} is an apocalyptic number.

1042425251402 is a deficient number, since it is larger than the sum of its proper divisors (521212625704).

1042425251402 is an equidigital number, since it uses as much as digits as its factorization.

1042425251402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521212625703.

The product of its (nonzero) digits is 25600, while the sum is 32.

Subtracting 1042425251402 from its reverse (2041525242401), we obtain a palindrome (999099990999).

The spelling of 1042425251402 in words is "one trillion, forty-two billion, four hundred twenty-five million, two hundred fifty-one thousand, four hundred two".