125765017802 has 8 divisors (see below), whose sum is σ = 188675317956. Its totient is φ = 62873245152.

The previous prime is 125765017793. The next prime is 125765017811. The reversal of 125765017802 is 208710567521.

It is an interprime number because it is at equal distance from previous prime (125765017793) and next prime (125765017811).

It can be written as a sum of positive squares in 2 ways, for example, as 122956123801 + 2808894001 = 350651^2 + 52999^2 .

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

It is a super-2 number, since 2×125765017802² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4614893 + ... + 4642064.

Almost surely, 2^125765017802 is an apocalyptic number.

125765017802 is a deficient number, since it is larger than the sum of its proper divisors (62910300154).

125765017802 is an equidigital number, since it uses as much as digits as its factorization.

125765017802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9263752.

The product of its (nonzero) digits is 235200, while the sum is 44.

The spelling of 125765017802 in words is "one hundred twenty-five billion, seven hundred sixty-five million, seventeen thousand, eight hundred two".