102126538562 has 8 divisors (see below), whose sum is σ = 158472215100. Its totient is φ = 49302466864.

The previous prime is 102126538543. The next prime is 102126538573. The reversal of 102126538562 is 265835621201.

It can be written as a sum of positive squares in 2 ways, for example, as 93158637961 + 8967900601 = 305219^2 + 94699^2 .

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

It is a super-4 number, since 4×102126538562⁴ (a number of 45 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880401137 + ... + 880401252.

Almost surely, 2^102126538562 is an apocalyptic number.

102126538562 is a deficient number, since it is larger than the sum of its proper divisors (56345676538).

102126538562 is a wasteful number, since it uses less digits than its factorization.

102126538562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760802420.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 102126538562 in words is "one hundred two billion, one hundred twenty-six million, five hundred thirty-eight thousand, five hundred sixty-two".