102126838762 has 8 divisors (see below), whose sum is σ = 164974124196. Its totient is φ = 47135464032.

The previous prime is 102126838729. The next prime is 102126838769. The reversal of 102126838762 is 267838621201.

It can be written as a sum of positive squares in 2 ways, for example, as 101838212641 + 288626121 = 319121^2 + 16989^2 .

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

It is not an unprimeable number, because it can be changed into a prime (102126838769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1963977643 + ... + 1963977694.

Almost surely, 2^102126838762 is an apocalyptic number.

102126838762 is a deficient number, since it is larger than the sum of its proper divisors (62847285434).

102126838762 is a wasteful number, since it uses less digits than its factorization.

102126838762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927955352.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 102126838762 in words is "one hundred two billion, one hundred twenty-six million, eight hundred thirty-eight thousand, seven hundred sixty-two".