1235425042 has 16 divisors (see below), whose sum is σ = 1904452992. Its totient is φ = 600629040.

The previous prime is 1235425039. The next prime is 1235425043. The reversal of 1235425042 is 2405245321.

It is a self number, because there is not a number n which added to its sum of digits gives 1235425042.

It is not an unprimeable number, because it can be changed into a prime (1235425043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133993 + ... + 142915.

It is an arithmetic number, because the mean of its divisors is an integer number (119028312).

Almost surely, 2^1235425042 is an apocalyptic number.

1235425042 is a deficient number, since it is larger than the sum of its proper divisors (669027950).

1235425042 is a wasteful number, since it uses less digits than its factorization.

1235425042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10833.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1235425042 is about 35148.6136568713. The cubic root of 1235425042 is about 1073.0141935541.

The spelling of 1235425042 in words is "one billion, two hundred thirty-five million, four hundred twenty-five thousand, forty-two".