102997906 has 16 divisors (see below), whose sum is σ = 168933600. Its totient is φ = 46708480.

The previous prime is 102997897. The next prime is 102997919. The reversal of 102997906 is 609799201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4665 + ... + 15091.

It is an arithmetic number, because the mean of its divisors is an integer number (10558350).

Almost surely, 2^102997906 is an apocalyptic number.

102997906 is a deficient number, since it is larger than the sum of its proper divisors (65935694).

102997906 is a wasteful number, since it uses less digits than its factorization.

102997906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10889.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 102997906 is about 10148.7884005925. The cubic root of 102997906 is about 468.7516381335.

The spelling of 102997906 in words is "one hundred two million, nine hundred ninety-seven thousand, nine hundred six".