102126412 has 12 divisors (see below), whose sum is σ = 189234360. Its totient is φ = 48059456.

The previous prime is 102126407. The next prime is 102126433. The reversal of 102126412 is 214621201.

It is a self number, because there is not a number n which added to its sum of digits gives 102126412.

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, 750862 + ... + 750997.

It is an arithmetic number, because the mean of its divisors is an integer number (15769530).

Almost surely, 2^102126412 is an apocalyptic number.

It is an amenable number.

102126412 is a deficient number, since it is larger than the sum of its proper divisors (87107948).

102126412 is a wasteful number, since it uses less digits than its factorization.

102126412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501880 (or 1501878 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 102126412 is about 10105.7613270847. The cubic root of 102126412 is about 467.4258122433.

Adding to 102126412 its reverse (214621201), we get a palindrome (316747613).

The spelling of 102126412 in words is "one hundred two million, one hundred twenty-six thousand, four hundred twelve".