1295234987 has 8 divisors (see below), whose sum is σ = 1336110096. Its totient is φ = 1254668832.

The previous prime is 1295234971. The next prime is 1295234999. The reversal of 1295234987 is 7894325921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1295234987 - 2⁴ = 1295234971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1295234957) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 68708 + ... + 85505.

It is an arithmetic number, because the mean of its divisors is an integer number (167013762).

Almost surely, 2^1295234987 is an apocalyptic number.

1295234987 is a deficient number, since it is larger than the sum of its proper divisors (40875109).

1295234987 is a wasteful number, since it uses less digits than its factorization.

1295234987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154477.

The product of its digits is 1088640, while the sum is 50.

The square root of 1295234987 is about 35989.3732510029. The cubic root of 1295234987 is about 1090.0577886484.

The spelling of 1295234987 in words is "one billion, two hundred ninety-five million, two hundred thirty-four thousand, nine hundred eighty-seven".