865126002 has 32 divisors (see below), whose sum is σ = 1944367488. Its totient is φ = 254618496.

The previous prime is 865125977. The next prime is 865126007. The reversal of 865126002 is 200621568.

It is not an unprimeable number, because it can be changed into a prime (865126007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239323 + ... + 242910.

It is an arithmetic number, because the mean of its divisors is an integer number (60761484).

Almost surely, 2^865126002 is an apocalyptic number.

865126002 is an abundant number, since it is smaller than the sum of its proper divisors (1079241486).

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

865126002 is a wasteful number, since it uses less digits than its factorization.

865126002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482274.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 865126002 is about 29413.0243599668. The cubic root of 865126002 is about 952.8542054498.

The spelling of 865126002 in words is "eight hundred sixty-five million, one hundred twenty-six thousand, two".