1295506242 has 48 divisors (see below), whose sum is σ = 2864833920. Its totient is φ = 422955936.

The previous prime is 1295506237. The next prime is 1295506243. The reversal of 1295506242 is 2426055921.

1295506242 is a `hidden beast` number, since 1 + 2 + 9 + 550 + 62 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1295506197 and 1295506206.

It is not an unprimeable number, because it can be changed into a prime (1295506243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 990553 + ... + 991859.

It is an arithmetic number, because the mean of its divisors is an integer number (59684040).

Almost surely, 2^1295506242 is an apocalyptic number.

1295506242 is an abundant number, since it is smaller than the sum of its proper divisors (1569327678).

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

1295506242 is a wasteful number, since it uses less digits than its factorization.

1295506242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407 (or 2404 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1295506242 is about 35993.1415966987. The cubic root of 1295506242 is about 1090.1338785702.

The spelling of 1295506242 in words is "one billion, two hundred ninety-five million, five hundred six thousand, two hundred forty-two".