102240412 has 12 divisors (see below), whose sum is σ = 183081976. Its totient is φ = 49931280.

The previous prime is 102240407. The next prime is 102240421. The reversal of 102240412 is 214042201.

It is a congruent number.

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, 297039 + ... + 297382.

Almost surely, 2^102240412 is an apocalyptic number.

It is an amenable number.

102240412 is a deficient number, since it is larger than the sum of its proper divisors (80841564).

102240412 is a wasteful number, since it uses less digits than its factorization.

102240412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594468 (or 594466 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 102240412 is about 10111.4001008762. The cubic root of 102240412 is about 467.5996710475.

Adding to 102240412 its reverse (214042201), we get a palindrome (316282613).

It can be divided in two parts, 10 and 2240412, that added together give a palindrome (2240422).

The spelling of 102240412 in words is "one hundred two million, two hundred forty thousand, four hundred twelve".