1042425240 has 32 divisors (see below), whose sum is σ = 3127276080. Its totient is φ = 277980032.

The previous prime is 1042425239. The next prime is 1042425257. The reversal of 1042425240 is 425242401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1042425240.

It is a congruent number.

It is an unprimeable number.

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, 4343319 + ... + 4343558.

Almost surely, 2^1042425240 is an apocalyptic number.

1042425240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042425240 is an abundant number, since it is smaller than the sum of its proper divisors (2084850840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042425240 is a wasteful number, since it uses less digits than its factorization.

1042425240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8686891 (or 8686887 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1042425240 is about 32286.6108472227. The cubic root of 1042425240 is about 1013.9463420209.

Adding to 1042425240 its reverse (425242401), we get a palindrome (1467667641).

The spelling of 1042425240 in words is "one billion, forty-two million, four hundred twenty-five thousand, two hundred forty".