102124134440 has 16 divisors (see below), whose sum is σ = 229779302580. Its totient is φ = 40849653760.

The previous prime is 102124134439. The next prime is 102124134517. The reversal of 102124134440 is 44431421201.

It can be written as a sum of positive squares in 2 ways, for example, as 101619413284 + 504721156 = 318778^2 + 22466^2 .

It is a super-2 number, since 2×102124134440² (a number of 23 digits) contains 22 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, 1276551641 + ... + 1276551720.

Almost surely, 2^102124134440 is an apocalyptic number.

102124134440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102124134440 is an abundant number, since it is smaller than the sum of its proper divisors (127655168140).

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

102124134440 is a wasteful number, since it uses less digits than its factorization.

102124134440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553103372 (or 2553103368 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 102124134440 its reverse (44431421201), we get a palindrome (146555555641).

The spelling of 102124134440 in words is "one hundred two billion, one hundred twenty-four million, one hundred thirty-four thousand, four hundred forty".